sonic barrier


Also found in: Dictionary, Thesaurus, Wikipedia.

sonic barrier

[′sän·ik ′bar·ē·ər]
(aerospace engineering)
A popular term for the large increase in drag that acts upon an aircraft approaching acoustic velocity; the point at which the speed of sound is attained and existing subsonic and supersonic flow theories are rather indefinite. Also known as sound barrier.
Mentioned in ?
References in periodicals archive ?
"I think we had no choice but to become explorers, and, if you get on the boat, then just start paddling upstream," Luke explained of having to break sonic barriers, particularly with their second album "Ice on the Dune," released under MCA Music.
We chatted to Anderson, one half of the pair that claims to break the conventions of the traditional sonic barriers.