vomit comet

English

Etymology

vomit +‎ comet, from its potential to cause nausea.

Pronunciation

• Audio (General Australian):

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Noun

vomit comet (plural vomit comets)

1. (slang) A reduced-gravity aircraft, an airplane that briefly provides a nearly weightless environment by flying on a parabolic flight path; used to train astronauts or conduct research.