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Definitions

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 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

Mach currently makes autonomous strike drones and counter-drone technology, among other things.

From Barron's • Mar. 25, 2026

His company, Southern California-based Mach Industries, last year spun up a balloon project and developed a new way of manufacturing material that avoids hand-stitching and radically reduces the cost.

From The Wall Street Journal • Feb. 16, 2026

These waves reached speeds of up to Mach 5.6.

From Science Daily • Feb. 8, 2026

Another involved turning the tunnel’s Mach 2 winds on a series of sharp-nosed metal cones to discover the point at which the smooth air flowing over the cones became turbulent.

From "Hidden Figures" by Margot Lee Shetterly