vomit comet

Definition from Wiktionary, the free dictionary
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English[edit]

English Wikipedia has an article on:
Wikipedia

Etymology[edit]

vomit +‎ comet. From the vomit inducing nausea caused by the variable-G, zero-G and negative-G environment resulting from the speeding jet ("comet"; akin to a meteor, something speeding through the air) following its course of parabolic arcs.

Noun[edit]

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.