Not everyone knows lots of terms. Thats why I am making this section!
Helix-A major turn usually after a big drop.
Vertical G's-The sensation of being sucked into your seat.
Negative G's-The sensation of being lifted out of your seat,
'weightlessness'. Usually occurs on big drops.
Lateral G's-Usually occurs on turns when you feel like you are stuck to the side of your seat.
Chain dogs-The mechanism used on most steel coasters for the first lift.
Camelbacks-Several adjoining hills that give you a swift change between positive and negative G's.
Pylon-Pillars or poles that hold up the track.
Head chop effect-The Mamba's helix is a good example of a head-chopper effect. It is the sensation of having somthing near pass overhead at a high speed.
Foot Chopper effect-The same concept as head-choppoer, except it is under you.
Inversions-segments that turn you upside-down.
Inverted Coasters-Coasters with the train running below the track.
Suspended Coasters-Same concept of inverted coasters, except the trains sway freeley left or right.
Hypercoaster-Term given to coasters that are dubbed as tall, fast and large. Hypercoasters are very tall and have awesome breathtaking drops.