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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 funding will help Mach Industries expand its manufacturing, advance its technology and deepen its partnerships with customers that include the U.S.

From Los Angeles Times • Jun. 3, 2026

California defense tech startup Mach Industries said Tuesday it raised $300 million, nearly quadrupling the company’s valuation to $1.8 billion within a year.

From Los Angeles Times • Jun. 3, 2026

But the 24-year-old company has still been around a year longer than Ethan Thornton, the Massachusetts Institute of Technology dropout who is taking it over in an acquisition by his drone startup, Mach Industries.

From The Wall Street Journal • May 19, 2026

Drone startup Mach Industries acquired rocket-maker Exquadrum for $50 million in cash and equity in April.

From The Wall Street Journal • May 19, 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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