Definition of HYPERSONIC

hypersonic

Meanings

Adj

  • Equal to, or greater than, or capable of achieving, five times the speed of sound.
  • Far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or dissociation of the air.

Origin / Etymology

From hyper- + sonic. A doublet of supersonic.

Scrabble Score: 20

hypersonic is a valid Scrabble (US) TWL word
hypersonic is a valid Scrabble Word in Merriam-Webster MW Dictionary
hypersonic is a valid Scrabble Word in International Collins CSW Dictionary

Words With Friends Score: 21

hypersonic is a valid Words With Friends word