GLOSSARY

If you’re confused by theme park, thrill ride and roller coaster terminology, our handy glossary of terms will help you out!

For coaster inversion definitions, such as loops and corkscrews, please see our Inversions page.

Our Coaster Types section has information on different ride types and our Manufacturer section has what you need to know about who makes them.

#, A, B, C, D, E, F, G, H, I, J, K, L, M, N, O, P, Q, R, S, T, U, V, W, X, Y, Z

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4th Dimension (aka 4D Coaster)
A type of roller coaster where the seats are capable of forward and backward twists via an additional two rails attached to a ratchet gear on the train and is capable of flipping its seats during any element. Further information can be found on our Coaster Types page.
180° Inversion
Also known as an Inverted Top Hat, this element is entered vertically before twisting under at the top and exiting vertically while twisting out again. Further information can be found on our Inversions page.
180° Roll
An element on Flying Coasters where the riders are turned from being in a face-up position to one which faces downward, or vice-versa. Further information can be found on our Inversions page.

A

Air Gate
A controlled gate on the loading platform that prevents riders from walking onto the train or car.
Air-Powered Launch
Where the train is launched using compressed air. Further information can be found on our Coaster Types page.
Airtime
The coming-out-of-your-seat sensation caused by a change in G-Force, usually experienced when the train travels over hills or down drops.
Airtime Hill
A hill that provides riders with a coming-out-of-your-seat sensation caused by a change in G-Force as the train travels over the crest or down the drop. Further information can be found on our Elements page.
Alpine Coaster
Sometimes called Mountain Coasters, they are similar to, and were inspired by, Bobsled coasters, but use rails instead of a trough as track. Unlike a roller coaster, riders control the speed of the sled using break levers. Further information can be found on our Coaster Types page.
Amusement Park
A park with many attractions for people of all ages but generally has no themed areas.
Anaconda
Preston & Barbieri’s modern version of a Wildcat coaster. Further information can be found on our Manufacturer page.
Anti-Rollback Device
Safety device that stops the train from rolling back down the lift hill. The clicking sound heard on most lift hills is the Anti-Rollback Device working. Often referred to as a chain dog.
Arrow
An abbreviation of Arrow Dynamics, that originally was called Arrow Development from 1945-1981 and Arrow-Huss from 1981-1984. Further information can be found on our Manufacturer page.

B

B&M
The common name for Bolliger & Mabillard. Further information can be found on our Manufacturer page.
Bag Lady
CoasterForce term to describe somebody who looks after the bags whilst other people go on a ride.
Banana Roll
An inversion named after its shape that looks like an elongated Cobra Roll. Further information can be found on our Inversions page.
Banked Curve or Turn
A type of track where it’s tilted while turning to reduce the lateral G-Forces on riders. Further information can be found on our Elements page.
Barrel Roll
Also known as a Heartline Roll, this inversion is designed to have the track twist 360° around the train with the axis of rotation centered on the rider, usually at chest level. Further information can be found on our Inversions page.
Barrel Roll Downdrop
An inversion found on RMC coasters where the train  goes through a Barrel Roll (above) as it begins decent down the first drop. Further information can be found on our Inversions page.
Basic
An entry level theme park and roller coaster enthusiast. A “goon” who hasn’t visited a wide variety of theme parks or been on many ride types.
Batwing
An inversion often used on the B&M Inverted Coasters, it’s comprised of a mini-Dive Loop running straight into a mini-Immelmann. Further information can be found on our Inversions page.
Bents
The vertical wood beams on a wooden roller coaster’s support structure.
Beyond Vertical Drop
As the name suggests, it’s a drop that is greater than 90°. Gerstlauer Euro-Fighters feature Beyond Vertical First Drops.
Big Apple
Also know as a Caterpillar or Wacky Worm, these kiddie coasters have a figure 8 layout and feature caterpillar themed trains.
Big Boy Seat
A seat on a ride specifically designed to accommodate a larger than average sized person.
BigDipper
B&M‘s version of a Wing Coaster, however the cars have only two rows of seats, which allows the coaster to feature compact inversions. Further information can be found on our Coaster Types page.
Block
A section of track where only one train can enter (used on coasters that have more than one train).
Block Brakes
Used to stop a train from entering the next block (above) if another train occupies that block.
Blousing Out
CoasterForce term to describe somebody who refuses to ride because they are scared or ill.
Bobsled Coaster
A roller coaster where the train coasts down a trench, similar to that of a winter bobsleigh. Further information can be found on our Coaster Types page.
Bogie
The chassis of a coaster car.
Boomerang Coaster
A Vekoma roller coaster where the train travels forward, briefly stops and then goes backward along the same track. Further information can be found on our Coaster Types page.
Booster Wheels
Also known as Drive Tires or Friction Wheels, these are motorized wheels between the rails that propel the train along a section of track. Usually found in the station and brake runs. Further information can be found on our Elements page.
Bowtie
An Arrow Dynamics inversion shaped like a Bowtie, that’s similar to their Double Sidewinder/Batwing (above) inversion, except the train exits in the same direction as it enters. Further information can be found on our Inversions page.
Brake Fins
A straight piece of steel found on the underside of the coaster car that slides into and through a brake mounted on the tracks or thin electromagnetic strips in the center of the track that slow the train down without making contact with the train.
Brake Run
A stretch of flat track with brakes installed that slow or stop the train that are located before the train entrance to the station and are used to control loading and dispatching of the trains. Further information can be found on our Elements page.
Breakdown
When a ride stops due to mechanical or technical issues.
Breakman
A coaster operator who rides on the train and uses a lever to manually operate the brakes as it travels the circuit and to stop it upon returning to the station.
Bunny Hops
A series of small, short hills, that usually appear towards the end of the circuit, designed to induce brief bursts of airtime. Further information can be found on our Elements page.
Butterfly
An inversion featured on Vekoma Multi-Loopers that’s basically an Immelmann followed by a Dive Loop where the train leaves in the same direction as it enters. Further information can be found on our Inversions page.
Butterfly Coaster
A self-operated ride where a single car with up to two riders is pulled to the top of a small U-shaped track and then released to travel back and forth until coming to a stop again. Further information can be found on our Coaster Types page.
Buzz Bars
Single-position lap bars on wooden coasters that were given the name for the buzzing sound that the bars on Philadelphia Toboggan Company (PTC) trains make as they lock or release.

C

Camelback
A series of two or more medium to large hills, often with each slightly smaller than the preceding one. Further information can be found on our Elements page.
Capacity
The number of riders an attraction can accommodate (usually measured in riders-per-hour).
Car
An individual section of a train defined by seats on their own set of wheels. A roller coaster train is made up of several cars joined together. Many coasters don’t use trains, just individual cars.
Caterpillar
Also know as a Big Apple or Wacky Worm, these kiddie coasters have a figure 8 layout and feature caterpillar themed trains.
Catapult
A Launch Coaster where the train zooms out from the station without the aid of a lift hill or booster wheels. Further information about launches can be found on our Coaster Types page.
Cattlepen
Where a queue line is laid out in tightly packed rows next to one another.
CCI
An abbreviation of Custom Coasters International. Further information can be found on our Manufacturer page.
Centrifugal Force
Another term for Lateral Gs.
CF-Live
CoasterForce Live – An official meeting of CoasterForce members at a theme park.
Chain Dogs
A metal catch device beneath the train cars (above) which engages into the moving chain lift in order to pull the train uphill. Also known as an Anti-Rollback Device.
Chain Lift
A lift hill where the train reaches the top using a ratchet and chain system. Further information can be found on our Elements page.
Chance
An abbreviation of Chance Morgan, which started as Chance Rides in 1961. Further information can be found on our Manufacturer page.
Circuit
The term used for a complete lap of a roller coaster – from station back to station.
Clone
A roller coaster that has the exact same layout as another roller coaster.
Clothoid Loop
A teardrop shaped Vertical Loop.
Coaster Count
The number of different roller coasters an enthusiast has ridden.
Cobra Roll
Its shape gives the element its name and it’s very similar to an Immelmann followed by a Dive Loop, however the dive out of the half loop is not as big. Further information can be found on our Inversions page.
Corkscrew
Named for its resemblance to the tool used to remove corks from bottles, the Corkscrew is an inversion that rotates 360° perpendicular to the track and is found on hundreds of coasters the world over. Further information can be found on our Inversions page.
Credit (aka “Cred”)
A Credit is roller coaster on an enthusiast’s Coaster Count (above).
Cred Anxiety
When you visit a park with loads of new-to-you coasters and worry that you won’t be able to ride them all before the park shuts. Commonly associated with one-day visits to large parks like Six Flags Magic Mountain or Cedar Point.
Cred in a Shed
CoasterForce term for a indoor roller coaster that lacks any type of theme or visual effects.
Credit Whore
CoasterForce term describing an enthusiast who will ride any roller coaster. A Cred Whore will go to extreme lengths to obtain the cred (above).
Crossover
A section of roller coaster track that crosses above or under another section. Further information can be found on our Elements page.
Cutback
An inversion similar to a Corkscrew (above), except the second-half of the element is reversed so the train exits the element in the opposite direction from which it entered. Further information can be found on our Inversions page.

D

Dark Ride
A ride inside a building usually containing different themed sections. Many Dark Rides have interactive shooting elements and keep track of the riders’ scores. These Dark Rides are sometimes referred to as “Dark Shooters”.
Dive Coaster
Originally refered to as a Dive Machine, it’s a B&M roller coaster where the car is held at the top of a vertical (or near vertical) drop before being released. Further information can be found on our Coaster Types page.
Dive Drop (aka Wing Over Drop)
An inversion most often found on B&M Wing Coasters that flips riders upside down on the first drop. Further information can be found on our Inversions page.
Dive Loop
An inversion very similar to the Immelmann, but executed in reverse. Further information can be found on our Inversions page.
Double Down
A drop that is immediately followed by a second drop. Further information can be found on our Elements page.
Double Figure Eight
A type of roller coaster track layout that resembles two Figure Eights that are side-by-side.
Double Inverting Stall
A rare RMC I-Box conversion inversion that twists the train 270° and remains in that position for few seconds before reverse twisting 270° back to normal. Further information can be found on our Inversions page.
Double Out and Back
An Out and Back coaster whose track follows a similar route for a second time.
Double Up
A hill that starts to crest but flattens out and ascends again. Further information can be found on our Elements page.
Double Sidewinder
 Arrow Dynamics and Vekoma’s version of a Batwing. Further information can be found on our Elements page.
Drive Tires
Also known as Booster or Friction Wheels, these are motorized wheels between the rails that propel the train along a section of track. Usually found in the station and brake runs. Further information can be found on our Elements page.
Dual Station
A ride station that can accommodate two trains or cars with separate track loading for each. Further information can be found on our Elements page.
Dueling Coaster
Two roller coasters that are built in close proximity to one another. The two layouts interact so riders on each coaster experience near misses or racing elements. Further information can be found on our Coaster Types page.

E

E&F Miler
Originally known as Miler Manufacturing from the late 1940’s through the ’70s, then again from 1989-1992 before changing to Miler Coaster, Inc. from 1992-2012. Further information can be found on our Manufacturer page.
E-Motion
Cars on Mack Rides‘ E-Motion coasters have a spring suspension that causes it to rock and shake in multiple directions. Further information can be found on our Manufacturer page.
E-Stop
An abbreviation for ‘Emergency Stop’. When a ride is stopped by ride ops or safety mechanisms. The ride may start again shortly after, or remain closed for a longer period of time, depending on the severity of the incident that caused the E-Stop.
E-Vac
Also know as an Evacuation, it’s when riders are forced to depart the train whist on the circuit due to a mechanical or safety mechanism failure. Usually preceded by an E-Stop (above).
Element
A feature in a roller coaster layout, i.e. Inversions are Elements. Further information can be found on our Elements and Inversions pages.
Ejector
A type of Airtime that abruptly lifts riders out of their seat for a second or two before dropping them back into their seat.
Elevated Curve
A type of banked curve where the track either descends or ascends as it curves. Further information can be found on our Elements page.
Enclosed
A roller coaster or ride inside a building.
Enthusiast
A person who is very interested in roller coasters. Affectionately called a “Thoosie” by fellow enthusiasts.
ESC
An abbreviation of Elevated Seating Coaster, Zierer‘s popular Family Coasters. Further information can be found of our Manufacturer page.
ERT
Exclusive Ride Time. A period of time where members of a group have exclusive use of a roller coaster or flat ride, usually outside of normal park operating hours. Also known as ERS – Exclusive Ride Session.
Euro-Fighter
A Gerstlauer designed type of Dive Coaster that features a vertical lift hill, a beyond vertical first drop and at least one inversion. Further information can be found on our Coaster Types page.
Evacuation
Also know as an E-Vac, it’s when riders are forced to depart the train whist on the circuit due to a mechanical or safety mechanism failure. Usually preceded by an E-Stop (above).

F

Faff
CoasterForce term describing unnecessary time wasting.
Family Boomerang
Sometimes referred to as a Junior Boomerang, it’s Vekoma‘s smaller variation of their Boomerang that doesn’t invert. Further information can be found on our Coaster Types page.
Family Coaster
A roller coaster suitable for pre-teens and those that don’t like or are not used to intense rides.
Fan Curve
Often found on wooden coasters, it’s a curve with spoke reinforcements radiating from a central point to the circumference of the track. Further information can be found on our Elements page.
Fanboy/Fangirl
Roller coaster/theme park enthusiast’s term to describe somebody who is obsessed with a certain ride or a park.
Fastpass
A special ticket that allows a rider to bypass a queue line. Also see “Q-Bot”.
Fat Boat
CoasterForce term for a log flume boat full of large people in order to create an extra large splash at the bottom of a drop.
Figure Eight
A section of track that resembles the number 8 when viewed from above. Two 180° turns in opposite directions connected with a crossover.
Final Brake Run
The last brake run on a roller coaster that slows down or stops a train before it re-enters the station or loading platform.
First Drop
Typically the first thrill element of a traditional roller coaster. The big drop immediately after the lift hill or launch.
Floater
A type of Airtime that gently lifts riders out of their seat for a few seconds before softly lowering them back into their seat.
Flat Ride
A thrill ride that is not a roller coaster or water ride. Occasionally referred to as a ‘flat’.
Flat Spin
A term coined by B&M to describe their banked, high-speed helix turns on their sit-down and Standup Coasters.
Flat Turn
A non-banked turn where the track remains flat and gives the sensation that the car might tip over due to the lateral G-Forces. Flat Turns are featured on every Wild Mouse coaster.
Flitzer
Zierer‘s first coaster. They feature bullet shaped cars and low upward and downward spiral track layouts. Further information can be found of our Manufacturer page.
Flojector
CoasterForce term for that airtime that is a bit too strong to be floater but not quite spine-separating ejector. It can take many guises – from a sudden aggressive pop of floater (above) to a gradual build-up of ejector. One of those things where “you know when you feel it”, and boy does it feel good!
Floorless Coaster
A roller coaster where the train sits above the track but does not have a floor. Further information can be found on our Coaster Types page.
Fly-By
The section on Dueling Coasters where two trains race towards one another, only to pass by each other at the last moment. Further information can be found on our Elements page.
Fly Through
Where the train passes through the station at high speed, however this is on a separate section of track not used for loading and unloading.
Fly-To-Lie
An element on Flying Coasters where the riders are turned from being in a face-down position to one which faces upward. Further information can be found on our Inversions page.
Flying Coaster
A roller coaster where the train is runs beneath the track and the seats reposition themselves so riders are in a “Superman” flying position. Further information can be found on our Coaster Types page.
Flying Turns
First introduced in the 1920’s, these were the forerunners to Bobsled Coasters where low-slung trains wove their way through concave troughs made from wood instead of track. Further information can be found on our Coaster Types page.
Flying Snake Dive
It’s a very tall Heartline Roll followed by a right hand twisting dive to spin the train off to the left. Further information can be found on our Inversions page.
Flywheel Launch
Found on Schwarzkopf catapult coasters, this type of launch system uses a large metal flywheel that rotates and a clutch then engages this against a drum with a launch cable wrapped around it, which itself is connected to a “pusher”: that propels the train down the track to a preset speed.
Footchoppers
Where a rider feels like their feet are going to hit something.
Fourth Dimention
See 4th Dimension above.
Friction Wheels
Also known as Booster Wheels or Drive Tires, these are motorized wheels between the rails that propel the train along a section of track. Usually found in the station and brake runs. Further information can be found on our Elements page.

G

G-Force
The forces on the body experienced by a rider as the train or car moves. The variants of G-Force experienced during a ride depends on the element. Further information can be found on our G-Forces page.
Galaxi
Also known as Wildcat or Zyklon, it’s a portable steel roller coaster with a compact twister layout that were common at carnivals and fairs in the 1970’s and 80’s.
GCI
An abbreviation of Great Coasters International, Inc. Further information can be found on our Manufacturer page.
GIB
An abbreviation of Giant Inverted Boomerang. Further information can be found on our Coaster Types page.
Giga Coaster
A coaster over 300 feet (91.5m) in height, but not over 400 feet (122m) tall. Further information can be found on our Coaster Types page.
Goon
CoasterForce term to describe somebody who has an over-enthusiastic and special love affair with roller coasters and theme parks. They eat, sleep, breathe theme parks and coasters. Typically geeky, but “goon” can be used to describe any level of theme park interest.
Gooniform
Theme park and ride branded apparel worn by a goon (above).
GP
An abbreviation of General Public, which is a slightly derogatory term enthusiasts use to refer to non-enthusiasts who visit amusement parks.
Grab Bars
The handles on the front or side of the seats for riders to hold on to while riding.
Gravity Group
An abbreviation of The Gravity Group, LLC. Further information can be found on our Manufacturer page.
Gravitykraft
An abbreviation of Gravitykraft Corporation, Gravity Group’s train and track manufacturing branch.
Guide Wheels
Wheels attached to the bottom of the train that run under or to the side of the track, fixing the train to the track and enabling the train to glide around turns.

H

Half Pipe
A non-inverted Shuttle Coaster that travels back and forth along a compact upright U-shaped track. Further information can be found on our Coaster Types page.
Hammerhead
Based on a flying maneuver by the same name, it’s similar to a high 180° banked turn. Further information can be found on our Elements page.
Head Chopper
The part of a roller coaster as it narrowly enters a tunnel or goes through or under another structure, creating the illusion that the rider might hit their head.
Heartline Roll
Also known as a Barrel Roll, this inversion is designed to have the track twist 360° around the train with the axis of rotation centered on the rider, usually at chest level. Further information can be found on our Inversions page.
Helix
A balanced spiral track, generally exceeding 360°. Helices can spiral upward or downward. Further information can be found on our Elements page.
High Five
Found on Dueling Coasters, both of the dueling tracks are banked 90° so that raised hands of the riders in one train appear to touch those of riders in the other train as they pass. Further information can be found on our Elements page.
Holding Brake
This is used just before the first drop on a Dive Coaster where the car is held at the cusp of the vertical drop for a few seconds before being released. Further information can be found on our Elements page.
Home Park
The park closest to, or most visited by, a coaster enthusiast. May or may not invoke fanboy-ism.
Hopkins
An abbreviation of Hopkins Rides, who built seven roller coasters between 1985-1996. Further information can be found on our Manufacturer page.
Horse Collar
A type of Vekoma and Arrow restraint used on inverting coasters that pulls down over the head and shoulders, locking in position over the chest. Also known as “Ear” or “Head Bangers”.
Horseshoe
It’s essentially a 180° turnaround with high banking so that riders are tilted at a 90° angle or more at the top at the turn. Further information can be found on our Elements page.
Hybrid
A roller coaster made using both wood and steel materials. A wooden hybrid coaster has a steel support structure and wooden track, whilst a steel hybrid coaster has a wooden support structure with steel track.
Hydraulic Launch
A type of launch that uses compressed nitrogen gas and hydraulic fluid to launch a train at very high acceleration rates from a standstill. Further information can be found on our Elements page.
Hydraulic Launch Coaster
These coasters use a Hydraulic Launch (above) to propel the train to high speed in seconds. Further information can be found on our Coaster Types page.
Hyper Coaster
A term coined B&M for a roller coaster over 200 feet (61m), but not over 300 feet (91.5m) tall. Also see Mega Coaster.

I

I-Box Track
A type of steel roller coaster track created by RMC that allows old wooden coasters to be modified to include thrilling elements. Also known as “Iron Horse” track.
Immelmann
It’s the same as a Vertical Loop until the train is inverted (below), when the track dives off to the left or right. Further information can be found on our Inversions page.
Impulse Coaster
An Intamin (below) inverted LIM Launch coaster with trains that launch forwards and backwards up a vertical spike or vertical spiral on a U-shaped track. Further information can be found on our Coaster Types page.
In Storage
A roller coaster that has been disassembled, and is currently being stored for later use or parts.
Inclined Dive Loop
Similar to the Inclined Loop (below), this element is a Dive Loop tilted at a 45° angle. Further information can be found on our Inversions page.
Inclined Loop
It’s a Vertical Loop tilted at a 45° angle, that is featured almost entirely on B&M Stand-Up coasters. Further information can be found on our Inversions page.
Infinity Coaster
A variation of Gerstlaurer Euro-Fighter Dive Coasters. Further information can be found on our Coaster Types page.
Inline Twist
An inversion (below) that has little or no change in height and rotates the rider around a central point, often their hearts. Further information can be found on our Inversions page.
Intamin
An abbreviation of Intamin Amusement Rides, which was formerly known as Intamin AG. Further information can be found on our Manufacturer page.
Interlocking Loop
Where two Vertical Loops are placed within one another, like two links on a chain.
Inversion
An element on a roller coaster where the rider is turned upside down. Further information can be found on our Inversions page.
Inverted
Although the word means to be upside down, Inverted Coasters have trains that run underneath the track with seats attached directly to the wheel carriage and therefore the cars do not swing back and fourth like Suspended Coasters. Further information can be found on our Coaster Types page.
Inverted Top Hat
Also known as an 180° Inversion, this element is entered vertically before twisting under at the top and exiting vertically while twisting out again. Further information can be found on our Inversions page.
Invertigo (aka Inverted Boomerang)
An inverted (above) roller coaster with the same track layout as a Boomerang. Further information can be found on our Coaster Types page.

J

Jet Star
A Schwarzkopf compact traveling coaster from the 1970’s that features upward and downward spiral track layouts. The Jet Star 2 and Jumbo Jet models also feature a spiral lift. Further information can be found on our Manufacturer page.
JoJo Roll
This inversion is when the coaster has a Barrel Roll/Heartline Roll right out of the station. Further information can be found on our Inversions page.
Junior Coaster
A roller coaster designed specifically for pre-teens. A variation of a Family Coaster.
Junior Immelmann
Similar to a normal Immelmann, except riders are not inverted and roll 90° instead of 180°. Further information can be found on our Elements page.

K

Kiddie Coaster
A roller coaster designed specifically for very small children.

L

Lap Bar
A type of safety restraint. A bar that locks down over the rider’s lap.
Lateral Gs
The centrifugal forces which push, or even slam, riders to the side of the car and are usually found on flat turns.
Launch
Where a roller coaster train accelerates quickly, usually from a standstill.
Launch Cable
A reinforced steel cable used on hydraulic launch coasters to propel the train from standstill.
Layout
The path the track takes from the station back to the station.
Lie-To-Fly
An element on Flying Coasters where the riders are turned from being in a face-up position to one which faces downward. Further information can be found on our Inversions page.
Lift Hill
Inclined section of track at the start of the ride where the train is pulled or pushed to the highest point of the coaster by a chain, cable, drive tires or electromagnets.
LIM
An abbreviation of Linear Induction Motor. Electromagnets are used to launch the train or boost it along the track.
Liquid Coaster
A Water Coaster designed by Premier Rides. Further information can be found of our Manufacturer page.
Loading Platform
The area of the station where riders board the train.
Log Flume
A ride where the riders sit in a boat and float along a trench filled with water.
Loop
See Vertical Loop.
LSM
An abbreviation of Linear Synchronous Motor. Strategically positioned magnets are used to launch the train. LSM launch magnets turn on and off in perfect synchronization to achieve maximum acceleration. The “turning on and off” is what separates the LSM from the LIM (above).

M

Mack
An abbreviation of Mack Rides Gmbh & Co KG. Further information can be found on our Manufacturer page.
Mad Mouse
Arrow and Allan Herschell’s term for Wild Mouse. Further information can be found on our Coaster Types page.
Maurer
An abbreviation of Mauerer Rides Gmbh, that originally was called Maurer Söhne from 1876-2014 and Maurer AG from 2014-2016. Further information can be found on our Manufacturer page.
Mega Coaster
A term coined by Intamin for a roller coaster over 200 feet (61m), but not over 300 feet (91.5m) tall. Also see Hyper Coaster.
Mid-Course Brake Run (MCBR)
A brake run partway through the circuit to either slow or stop the train. Further information can be found on our Elements page.
Milestone
Reaching a significant number in your coaster count total. Typically 50 at first, then 100, 200, 300, etc.
Millennium Flyer
Roller coaster trains designed by GCI that are characterized by their cushioned seats, individual rider lap bars and a gate like frontage that often displays the ride logo. Further information can be found on our Manufacturer page.
Mine Train
A type of coaster that resembles a mine train, often with a locomotive themed front car. Further information can be found on our Coaster Types page.
Möbius Coasters
Also known as Moebius Loop Coasters, it’s a roller coaster layout where two trains race one another on parallel tracks, but each train arrives on the opposite side of the station from which it departed. Further information can be found on our Coaster Types page.
Moto Coaster
Zamperla‘s version of Vekoma‘s Motorbike Coaster (below), that uses a flywheel launch and can be found themed with horses rather than motorcycles for guests to ride. Further information can be found on our Coaster Types page.
Motorbike Coaster
Vekoma‘s hydraulic launch coasters, that have motorcycles on the train cars for guests to ride. Further information can be found on our Coaster Types page.

N

Negative G’s
The airtime G-Force that gives riders a feeling of weightlessness as they lift off their seats.
Non-Inverting Loop
A variety of Vertical Loop that, when ascending, twists similar to a Heartline Roll, leaving riders completely right-side-up at the top of the loop. Further information can be found on our Elements page.
Norwegian Loop
Built by Intamin this inversion climbs rapidly, and then as it reaches the crest of the hill the train is inverted before completing three quarters of the loop to bring it back to the inverted position where it rolls out again. Further information can be found on our Inversions page.

O

ORP
An abbreviation of On Ride Photo, it’s an overpriced photo of riders on the attraction, usually taken by a strategically-placed fixed camera to ensure maximum grimaces. Can usually be bought at a booth near the ride exit.
OTSR
An abbreviation of Over The Shoulder Restraint, it’s a restraint that comes down over the head, sits flush to the riders shoulders and is usually doubly fastened by a seat belt.
Out and Back
A coaster layout where the track heads out away from the station, makes a turnaround, and returns near to the outbound track. Further information can be found on our Coaster Types page.
Overbanked Curve
Common on large steel coasters, it’s a curve in which the track tilts beyond 90° and is usually around 100-120°. Further information can be found on our Elements page.

P

Parking Lot Coaster
A roller coaster built above flat ground with no themeing, i.e. as if it was built on a car park or actually built upon a car park.
Pinfari
An Italian coaster manufacturer that was liquidated in July 2004 and three years later its brand and intellectual property were acquired by Interpark, another Italian amusement ride company. Further information can be found on our Manufacturers page.
Pipeline Coaster
More commonly known as an Ultratwister, this Togo coaster features a vertical lift hill, a near vertical drop and its cars sit between the tracks, as opposed to on top or underneath them. Further information can be found on our Manufacturers page.
Plug and Play Coaster
A wooden coaster designed by Intamin, where the coaster track and supports are pre-cut, pre-drilled and sent out “flat pack” to the park. It’s then assembled by engineers, who simply piece it together according to instructions.
POV
An abbreviation of Point of View. What the rider sees. Often used when describing front row view coaster videos. Watch roller coaster POVs on the CoasterForce YouTube channel.
Positive G’s
The G-Forces that increase the gravitational force upon riders, pushing them down into their seats and felt most intensely at the bottom of a Pretzel Loop (below).
Parking Lot Coaster
A roller coaster built above flat ground with no themeing, i.e. as if it was built on a car park or actually built upon a car park.
Powered Coaster
A roller coaster that uses a powered motor to propel itself around the track.
Powersplash
Mack Rides‘ combination of a LSM shuttle coaster and water coaster with a U-shaped track featuring a small airtime hill and splash track between the two vertical spikes. Further information can be found on our Coaster Types page.
Pre-Drop
Sometimes called a Tester Hill or Trick Hill, it’s a small hill following the lift hill that precedes the first drop that is used to reduce the tension and stress on the lift mechanism prior to the train‘s release. Further information can be found on our Elements page.
Pre-Fab
An abbreviation of Prefabrication, but more commonly know as Plug and Play (above).
Premier
An abbreviation of Premier Rides Inc. Further information can be found on our Manufacturer page.
Preston & Barbieri
A small Italian coaster company. Further information can be found on our Manufacturer page.
Pretzel Knot
It’s similar to a Batwing, except the entrance and exit of the inversion is formed differently. Further information can be found on our Inversions page.
Pretzel Loop
An inversion exclusive to B&M Flying Coasters, that involves diving from the flying position head first towards the ground, then pulling out on your back, then back up and into the flying position. Further information can be found on our Inversions page.
PTC
An abbreviation of Philadelphia Toboggan Company, a wooden coaster train manufacturer.

Q

Q Bot
A service device that allows park guests to reserve a time slot to ride an attraction without having to wait in queue (below), usually at an additional cost.
Queue
The line of people waiting to ride an attraction or the area where people wait to ride, usually defined by stanchions forming a line.
Queue Jumper
Someone who thinks they do not have to wait in line and pushes past everybody, or jumps fences, to advance through the queue (above).

R

Racing Coaster
Where two roller coaster tracks are parallel to one another. Both trains start at the same time and race to the end of the ride.
Rapids Ride
A ride in which the riders sit in circular shaped boats and float through a choppy, water filled trench.
Restraint
A safety device to keep the rider secure in their seat.
Ride Operator
The person who operates the ride. Also known as a “Ride Op”.
Riding Politely
CoasterForce term to describe a rider who sits with their hands clasped above their lap and has a nonchalant expression on their face.
Rocket Coaster
Another name for a launch coaster.
Rollback
Happens when a launched coaster fails to overcome the first hill, and rolls back down the launch track. Safety mechanisms are put in place to slow the train down, and prevent a collision with any trains behind. Roll-backs may be scary, but are perfectly safe.
Rolling Stock
Another name to describe a roller coaster train.

S

SBNO
Standing But Not Operating. A roller coaster that is not in use but remains standing.
Seatbelt
Used to secure a restraint or fastens across the riders lap. Often used as a secondary failsafe to a ride’s primary restraints (such as lapbars or OTSR’s).
Shuttle Coaster
The roller coaster train travels in one direction, then travel backwards over the same track to return to the station.
Spinning Coaster
A type of coaster where the car freely spins as it moves along the track. Also known as a “spinner”.
Spite
When something does not go the riders way. For example, when a ride is closed, a rider cannot get on a ride, an accident occurs or a group is split up when loading.
Stall
When the coaster train doesn’t make it over the top of a hill due to external factors, such as wind or combined weight of the train and passengers.
Stand-Up Coaster
A type of coaster where the rider is in a standing up position.
Station
The area where the rider boards and departs a ride.
Strata Coaster
A roller coaster over 400ft (121.92m) tall.
Suspended Coaster
A type of coaster where the train is attached beneath the track, and the cars are mounted on a hinge as to allow them to freely swing left and right.

T

Terrain Coaster
A roller coaster that is built in close proximity to and/or around the natural surroundings.
Theme Park
A park with themed areas such as Haunted Woods, African Safaris, Roman Gods, Wild West and so on.
Timberliner Trains
Roller coaster trains designed by Gravity Group and manufactured by Gravitykraft. Timberliner trains are characterized by their cushioned seats, individual rider lap bars and frontage shaped to represent the ride theme.
Topper Track
Created by RMC, Topper Track is a steel replacement that covers the top levels of wooden coaster track.
Track
The fixed layout and structural path that the car/train (below) travels on.
Train
Two or more roller coaster cars joined together.
Transfer Track
A movable section of the track that allows cars or trains (above) to be moved on and off the track circuit.
Traveling Coaster
A roller coaster that can be easily taken apart, transported and rebuilt at multiple locations.
Trim Brake (aka Trims)
A brake positioned somewhere on the track to slow the train down, but does not function as a block brake. These are often added on coasters after they are built to control unexpected or overbearing forces and speed.
Turnaround
A part of the track where the roller coaster changes directions between 180-360 degrees.

U

Upstop Wheels
The wheels on the wheel assembly that are below the track.

V

Valleying
When a roller coaster train fails to make it over an incline, it “valleys” back and forth until it comes to a complete natural stop at the lowest part of the track.
Virtual Coaster
A roller coaster where riders wear a VR (Virtual Reality) headset.

W

Wacky Worm
Also know as a Big Apple or Caterpillar, these kiddie coasters have a figure 8 layout and feature caterpillar themed trains.
Water Coaster
A steel tracked coaster that has many water-based drops and sections similar to those of a log flume.
Wild Mouse
A single car roller coaster with a large flat section of upper track consisting of multiple 180° turnarounds and lower sections of track with a few drops and/or bunny hops.
Wooden Coaster (aka Woodie)
A roller coaster with track made from wood.

Z

Zero Car
An axle that can be found at the front or rear of a train to give it support; a car without seats.