| sonic barrier n. The sudden sharp increase in aerodynamic drag experienced by aircraft approaching the speed of sound. Also called sound barrier. |
sonic barrier
n
(Engineering / Aeronautics) another name for sound barrier
sonic barrier (s n  k) See sound barrier. |
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. | sonic barrier - the increase in aerodynamic drag as an airplane approaches the speed of sound drag, retarding force - the phenomenon of resistance to motion through a fluid |
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