First Known Use: 1937
Dictionary
subsonic
adjective sub·son·ic \ˌsəb-ˈsä-nik\
: slower than the speed of sound
Full Definition of SUBSONIC
1
: of, relating to, or being a speed less than that of sound in air
2
: moving, capable of moving, or utilizing air currents moving at a subsonic speed
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Origin of SUBSONIC
International Scientific Vocabulary
Rhymes with SUBSONIC
Aaronic, atonic, benthonic, bionic, boronic, Brittonic, Brythonic, bubonic, Byronic, canonic, carbonic, colonic, cyclonic, daimonic, demonic, draconic, dystonic, euphonic, hadronic, harmonic, hedonic, hydronic, iconic, ionic, Ionic, laconic, Masonic, mnemonic, moronic, neutronic, photonic, phytonic, planktonic, platonic, plutonic, pneumonic, pythonic, sardonic, sermonic, Slavonic, symphonic, synchronic, tectonic, Teutonic, transonic
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