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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

“It goes without saying that unmanned systems are incredibly, incredibly important in future warfare,” Mach Industries founder Ethan Thornton told Barron’s in a recent interview.

From Barron's • Mar. 31, 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

The object raced through the atmosphere at roughly Mach 25-30, moving northeast over Santa Barbara and Las Vegas at about ten times the speed of the fastest jet aircraft.

From Science Daily • Jan. 24, 2026

The most visionary of the brain busters pined for the day when a pilot could take one of their creations for a hypersonic joy ride: Mach 5 or faster.

From "Hidden Figures" by Margot Lee Shetterly