Definition of subsonic in English:

subsonic

Syllabification: sub·son·ic
Pronunciation: /ˌsəbˈsänik
 
/

adjective

  • Relating to or flying at a speed or speeds less than that of sound.
    More example sentences
    • The aircraft's fixed-wing profile with large wing leading edge root extensions gives good manoeuvrability and control at subsonic speed including manoeuvres at high angles of attack.
    • The variable sweep wings are set at 20° for take-off, loitering and landing, and automatically change to a maximum sweep of 68°, which reduces drag for high subsonic to supersonic speeds.
    • To improve the aircraft's longitudinal stability, and to avert stall at steep angles and subsonic speed, there are two shallow upper-surface fences on each wing.

Derivatives

subsonically

Pronunciation: /-ik(ə)lē/
adverb
More example sentences
  • There was a storm in the circle; the lightning strokes of claws slashed out and the thunder of snarls reverberated almost subsonically amongst the quiescent ruins.
  • It loiters subsonically at very high altitudes over the region of interest for extended periods of time without refueling.
  • Similarly, the jet moving overhead subsonically pushes air out of the way and, in so doing, generates pressure waves that move at the speed of sound.

More definitions of subsonic

Definition of subsonic in:

Get more from Oxford Dictionaries

Subscribe to remove adverts and access premium resources

Word of the day astrogation
Pronunciation: ˌastrə(ʊ)ˈgeɪʃ(ə)n
noun
(in science fiction) navigation in outer space