hypersonic
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English
Etymology
From hyper- + sonic. Doublet of supersonic.
Adjective
hypersonic (comparative more hypersonic, superlative most hypersonic)
- (of a speed, aviation) Equal to, or greater than, or capable of achieving, five times the speed of sound.
- 2021 June 3, Julian E. Barnes, Helene Cooper, “U.S. Finds No Evidence of Alien Technology in Flying Objects, but Can’t Rule It Out, Either”, in The New York Times, →ISSN:
- He said there was worry among intelligence and military officials that China or Russia could be experimenting with hypersonic technology.
- (of a speed, aeronautics) Far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or dissociation of the air.
Derived terms
Related terms
Translations
five times the speed of sound
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