transonic

Adjective

• (of speed) having or caused by speed approximately equal to that of sound in air at sea level

Adj

• Just below, or just above, the speed of sound (0.8 < Ma < 1.2 approximately).
• Passing from subsonic to supersonic, or vice versa.
• Travelling through a fluid (commonly air) at a speed where regions of supersonic and subsonic flow coexist simultaneously over different portions of the surface of the moving object in question.

Synonyms

sonic

Antonyms

subsonic, supersonic

Related Words

sound barrier, transonically, transonics