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subsonic
[ suhb-son-ik ]
/ sʌbˈsɒn ɪk /
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adjective
noting or pertaining to a speed less than that of sound in air at the same height above sea level.
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OTHER WORDS FROM subsonic
sub·son·i·cal·ly, adverbWords nearby subsonic
subsoil, subsoiler, subsoil plow, subsolar, subsong, subsonic, subspace, subspecialty, subspecies, subspecific, subspontaneous
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use subsonic in a sentence
British Dictionary definitions for subsonic
subsonic
/ (sʌbˈsɒnɪk) /
adjective
being, having, or travelling at a velocity below that of sounda subsonic aircraft
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Scientific definitions for subsonic
subsonic
[ sŭb-sŏn′ĭk ]
Having a speed less than that of sound in a designated medium, usually air; having a velocity less than Mach 1. Compare hypersonic supersonic transonic.
The American Heritage® Science Dictionary
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