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subsonic
[ suhb-son-ik ]
adjective
- noting or pertaining to a speed less than that of sound in air at the same height above sea level.
subsonic
/ sʌbˈsɒnɪk /
adjective
- being, having, or travelling at a velocity below that of sound
a subsonic aircraft
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
Other Words From
- sub·soni·cal·ly adverb
Word History and Origins
Origin of subsonic1
Compare Meanings
How does subsonic compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
They presented records showing that Peterson, who lived in Durham, N.C., bought silencer components online and researched subsonic ammunition, which is quieter than standard rounds.
The venerable A-10, which first flew more than 50 years ago, is a single-seat, subsonic attack aircraft designed to provide close air support to ground troops by attacking enemy armored vehicles.
A crane lifted the Intrepid’s Concorde onto a barge Wednesday for a very subsonic passage to the Brooklyn Navy Yard, where it will be stripped down, sanded and repainted.
Nuclear forces also are being modernized with $37.7 billion on new forces, and $11 billion for a mix of both hypersonic and long-range subsonic weapons that can strike from land, air and sea.
Almost one-third of the Defense Department’s munitions dollars in the new budget would be focused on long-range weaponry — both hypersonic missiles and subsonic weapons.
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