subsonic en · ADJ
Pronunciation
- (Southern-England) audio
Etymology
Etymology tree Proto-Indo-European *upó Proto-Italic *supo Latin sub Latin sub-der. English sub- Proto-Indo-European *swenh₂- Proto-Indo-European *swónh₂os Latin sonus Proto-Indo-European *-ikos Proto-Italic *-ikos Latin -icuslbor. Old French -iquebor. Middle English -ik English -ic English sonic English subsonic From sub- + sonic.
Meanings
- (not-comparable, of a sound) having a frequency too low to be audible
-
(literary, not-comparable, of a sound) 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)
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(not-comparable, of a speed) (aviation) less than the speed of sound (in the same medium, and at the same temperature and pressure)
But British Airways Flight 112 made the trek in under five hours, setting a new record for the fastest subsonic commercial flight across the Atlantic Ocean.
2020 February 9, Alina Selyukh, “British Airways Sets Record, Crossing The Atlantic In Under 5 Hours In Strong Winds”, in NPR:
- (not-comparable, of a flow, qualifier:fluid mechanics) with a Mach number such that 0.3 < Ma < 0.8 (approximately - the exact limits vary between sources)
Deriveds
Relateds
plasmasonic · hypersonic · supersonic · transonic
Translations (23)
pt subsónico ((of a speed) less than the speed of sound) · it subsonico ((of a speed) less than the speed of sound) · fi aliääninopeuksinen ((of a speed) less than the speed of sound) · es subsónico ((of a speed) less than the speed of sound) · fr subsonique ((of a speed) less than the speed of sound) · ga foshonach ((of a speed) less than the speed of sound) · tl kubnugin ((of a speed) less than the speed of sound) · el υποηχητικός ((of a speed) less than the speed of sound) · cs subsonický ((of a speed) less than the speed of sound) · pt subsônico ((of a speed) less than the speed of sound) · cmn 次音速 ((of a speed) less than the speed of sound) · sv subsonisk ((of a speed) less than the speed of sound) · nl subsonisch ((of a speed) less than the speed of sound) · pl poddźwiękowy ((of a speed) less than the speed of sound) · ro subsonic ((of a speed) less than the speed of sound) · ru дозвуково́й ((of a speed) less than the speed of sound) · fi ääntä hitaampi ((of a speed) less than the speed of sound) · sv underljuds- ((of a speed) less than the speed of sound) · lt ikigarsinis ((of a speed) less than the speed of sound) · fi aliääni- ((of a speed) less than the speed of sound) · bg дозвукова ((of a speed) less than the speed of sound) · fi aliääninen ((of a speed) less than the speed of sound) · cs podzvukový ((of a speed) less than the speed of sound)