Transonic
Part of speech: adjective
Definition: just below, or just above the speed of sound passing from subsonic to supersonic, or vice versa
Sonic
Part of speech: adjective
Definition: of or relating to soundhaving a speed approaching that of the speed of sound in air
Example sentence: My idea is to take the improvisational excitement that takes place with Carnatic music and juxtapose that in different sonic contexts.