subsonic

play
adjective sub·son·ic \ ˌsəb-ˈsä-nik \

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
3 :infrasonic 1

subsonically

play \-ni-k(ə-)lē\ adverb

Recent Examples of subsonic from the Web

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Origin and Etymology of subsonic

International Scientific Vocabulary


SUBSONIC Defined for English Language Learners

subsonic

play
adjective

Definition of subsonic for English Language Learners

  • : slower than the speed of sound


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