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Mach

[mahk] / mɑk /
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.

The deal provides Mach with access to more than two decades of technical development in superfast weapons that reach beyond Earth’s atmosphere.

From The Wall Street Journal • May 19, 2026

Mach will inherit Exquadrum’s work on Golden Dome, an effort to build a missile-defense shield that has become a signature defense priority for the administration, and which has been estimated to cost $1.2 trillion.

From The Wall Street Journal • May 19, 2026

The company is currently building its third Quarterhorse aircraft, which it expects will fly faster than Mach 2, in the Atlanta facility.

From Los Angeles Times • Apr. 7, 2026

Reaching Mach 5 involves the use of a so-called ramjet, which is similar to a traditional jet engine but doesn’t have any moving parts.

From Los Angeles Times • Apr. 7, 2026

Jackie was one of the only American women to fly military jets and had even been the first woman to break the sound barrier—flying faster than the speed known as Mach 1—in 1953.

From "Women in Space" by Karen Bush Gibson




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