subsonic
noting or pertaining to a speed less than that of sound in air at the same height above sea level.
Compare Meanings
Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.
Origin of subsonic
1Other words from subsonic
- sub·son·i·cal·ly, adverb
Words Nearby subsonic
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use subsonic in a sentence
Atoms going around 62 miles per second come from the inner heliosheath, where the solar wind becomes subsonic as it hits against the interstellar medium.
The Safety Belt of Our Solar System - Issue 107: The Edge | Virat Markandeya | October 6, 2021 | NautilusThese airplanes are expected to seat 65 to 88 passengers and will travel at subsonic speeds over land and supersonic speeds over water—more than twice as fast as current commercial aircraft.
Meet the XB-1: A prototype for a modern supersonic passenger jet | Eric Berger | October 7, 2020 | Ars TechnicaFrom below came a vibrational rushing noise, nearly subsonic, which told him of the fueling operation.
Tight Squeeze | Dean Charles IngA wave of some sort—probably subsonic or supersonic—continuously filled the Vininese atmosphere.
The Instant of Now | Irving E. Cox, Jr.Most of their conversation is carried on in tones of subsonic frequency, so your ears cannot hear it.
The Asses of Balaam | Gordon Randall Garrett
And its booming notes descended to subsonic throbbings that gripped and wrung the nerves to anguish.
The Record of Currupira | Robert Abernathy
British Dictionary definitions for subsonic
/ (sʌbˈsɒnɪk) /
being, having, or travelling at a velocity below that of sound: a 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
[ 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 Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Browse