roller coaster

1. is a type of: sturm und drang, turbulence, upheaval - a state of violent disturbance and disorder (as in politics or social conditions generally)
2. is a type of:

   • el, elevated, elevated railroad, elevated railway, overhead railway - a railway that is powered by electricity and that runs on a track that is raised above the street level
   • ride - a mechanical device that you ride for amusement or excitement
   subtypes: hypercoaster - a roller coaster that goes up 200 feet or higher and can catapult riders from 0 to 70 mph in 4 seconds by motors originally designed to launch rockets
   same as: big dipper, chute-the-chute

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