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subsonic. In DICTIOUS you will not only get to know all the dictionary meanings for the word
subsonic, but we will also tell you about its etymology, its characteristics and you will know how to say
subsonic in singular and plural. Everything you need to know about the word
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English
Etymology
From sub- + sonic.
Pronunciation
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Adjective
subsonic (not comparable)
- (of a sound, scientific) having a frequency too low to be audible
- (of a sound, literary) very quiet, almost inaudible
- The noise of the ship was all around her. The faint subsonic rumble of the reactor and drive. (Leviathan Wakes, James S. A. Corey)
- (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)
Translations
(of a speed) less than the speed of sound
Noun
subsonic (plural subsonics)
- an aircraft whose maximum speed is less than the speed of sound
Romanian
Etymology
Borrowed from French subsonique.
Pronunciation
Adjective
subsonic m or n (feminine singular subsonică, masculine plural subsonici, feminine and neuter plural subsonice)
- subsonic
- Synonym: subacustic
- Antonym: hipersonic
Declension