hypersonic

[ hahy-per-son-ik ]
See synonyms for hypersonic on Thesaurus.com
adjective
  1. noting or pertaining to speed that is at least five times that of sound in the same medium.

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Origin of hypersonic

1
First recorded in 1935–40; hyper- + sonic

Words Nearby hypersonic

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use hypersonic in a sentence

British Dictionary definitions for hypersonic

hypersonic

/ (ˌhaɪpəˈsɒnɪk) /


adjective
  1. concerned with or having a velocity of at least five times that of sound in the same medium under the same conditions

Derived forms of hypersonic

  • hypersonics, noun

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Scientific definitions for hypersonic

hypersonic

[ hī′pər-sŏnĭk ]


  1. Relating to or capable of speeds equal to or exceeding five times the speed of sound (Mach 5 and above). Compare subsonic supersonic transonic.

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