subsonic

adjective

sub·​son·​ic ˌsəb-ˈsä-nik How to pronounce subsonic (audio)
1
: of, relating to, or being a speed less than that of sound in air
2
: moving, capable of moving, or utilizing air currents moving at a subsonic speed
3
subsonically adverb

Examples of subsonic in a Sentence

Recent Examples on the Web
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Another possibility experts suggested: The shooter could have chosen subsonic ammunition to avoid detection. Christopher Cann, The Courier-Journal, 5 Dec. 2024 While a subsonic flight takes longer, the new British Airways First will be far more comfortable than flying on Concorde ever was. Marisa Garcia, Forbes, 27 Nov. 2024 Low-flying, subsonic cruise missiles aren’t terribly difficult to shoot down, given enough warning. David Axe, Forbes, 4 Oct. 2024 The autonomous subsonic aircraft is being developed as part of the US Air Force's CCA program and is based on the company's XQ-67A prototype. David Szondy, New Atlas, 19 Sep. 2024 See all Example Sentences for subsonic 

Word History

Etymology

International Scientific Vocabulary

First Known Use

1920, in the meaning defined at sense 3

Time Traveler
The first known use of subsonic was in 1920

Dictionary Entries Near subsonic

Cite this Entry

“Subsonic.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/subsonic. Accessed 24 Dec. 2024.

Kids Definition

subsonic

adjective
sub·​son·​ic ˌsəb-ˈsän-ik How to pronounce subsonic (audio)
ˈsəb-
1
: of, relating to, or being a speed less than that of sound in air
2
: moving, capable of moving, or using air currents moving at a subsonic speed
Last Updated: - Updated example sentences
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