Akademik

big dipper
noun
elevated railway in an amusement park (usually with sharp curves and steep inclines)
Syn: ↑roller coaster, ↑chute-the-chute
Hypernyms: ↑elevated railway, ↑elevated railroad, ↑elevated, ↑el, ↑overhead railway, ↑ride
Hyponyms: ↑hypercoaster

Useful english dictionary. 2012.