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speed of sound

NOUN
Mach number
Synonyms


Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Among the weapons Russia used during the barrage was its Oreshnik hypersonic missile, which can travel 10 times the speed of sound and is capable of carrying nuclear warheads, according to Moscow.

From Barron's • May 25, 2026

The motors that pull the capsule away from the doomed rocket are designed to accelerate from 0 to 500 mph — well over half the speed of sound — in just two seconds.

From Los Angeles Times • Mar. 31, 2026

As space debris plunges into the atmosphere, it travels faster than the speed of sound.

From Science Daily • Jan. 24, 2026

Castelion’s missiles have topped out at four times the speed of sound in those tests.

From The Wall Street Journal • Dec. 5, 2025

The problem was most notable in the transonic range, as the eddies of air surrounding an object approached the speed of sound.

From "Hidden Figures" by Margot Lee Shetterly




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