subsonic
IPA: sˈʌbsˈɑnɪk
noun
- an aircraft whose maximum speed is less than the speed of sound
adjective
- (of a sound, scientific) having a frequency too low to be audible
- (of a sound, literary) very quiet, almost inaudible
- (of a speed) (aviation) less than the speed of sound (in the same medium, and at the same temperature and pressure)
- (fluid mechanics, of a flow) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)
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Examples of "subsonic" in Sentences
- Subsonic and transonic behavior.
- Subsonic and transonic wind tunnel.
- Secondly the flow never turns subsonic.
- Sea skimmer with subsonic terminal speed.
- It is a special case of Subsonic aerodynamics.
- The subsonic stage includes a rotor and a stator.
- This in turn reduces the subsonic efficiency of it.
- As the gas enters a nozzle, it is traveling at subsonic velocities.
- Examples are the entrencher, the tectonic grenade, and the subsonic grenade.
- At subsonic speeds, the airflow constricts the exhaust to a convergent shape.
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