hypersonic

English dictionary entry

Meanings

adj
  1. Of a speed, equal to, or greater than, or capable of achieving, five times the speed of sound.
  2. Of a speed, far enough above the speed of sound as to cause significant differences in behaviour due to chemical reactions or dissociation of the air.

Pronunciation

LL-Q1860 (eng)-Vealhurl-hypersonic.wav

Word forms

hypersonic more hypersonic most hypersonic

Etymology

From hyper- + sonic. Doublet of supersonic.

This entry uses open data from Wiktionary (CC BY-SA/GFDL). Word forms are used for search and are not indexed as separate pages.