mach

¹ American  

[mahk] / mɑk /

Or Mach

noun

1. mach number.

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Mach ² American  

[mahk, mahkh] / mɑk, mɑx /

noun

1. Ernst 1838–1916, Austrian physicist, psychologist, and philosopher.

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mach. ³ American  

abbreviation

1. machine.

2. machinery.

3. machinist.

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Mach ¹ British  

/ mæk /

noun

1. short for Mach number

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Mach ² British  

/ max /

noun

1. Ernst (ɛrnst). 1838–1916, Austrian physicist and philosopher. He devised the system of speed measurement using the Mach number. He also founded logical positivism, asserting that the validity of a scientific law is proved only after empirical testing

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Mach Scientific  

/ mäk,mäkh /

1. Austrian physicist and philosopher who experimented with supersonic projectiles and the flow of gases, obtaining early photographs of shock waves and gas jets. His work laid an important foundation for later developments in the science of projectiles and aeronautical design, and the Mach number and Mach bands were named for him.

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Usage

How fast is Mach 1? A Mach number is the ratio of an object's speed in a given medium to the speed of sound in that medium.Mach 1, then, is the speed of sound, around 761 mph at sea level on a standard day. The term is also used as a metaphor for high speeds more generally.How to pronounce Mach 1[ mahk wuhn ]

Etymology

Origin of mach

After Ernst Mach

Example Sentences

“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

Mach, which makes autonomous drone technology, hasn’t achieved unicorn status yet, and is valued at about $500 million.

From Barron's

Those are the kinds of systems neo-primes such as Saronic and Mach specialize in.

From Barron's

“It goes without saying that unmanned systems are incredibly, incredibly important in future warfare…folks don’t truly realize how far and how fast this market is headed towards pretty much all capability on the battlefield being these sort of systems,” Ethan Thornton, the founder of the defense start-up Mach Industries, tells Barron’s.

From Barron's

Like Anduril, Mach is aiming to become a “neo-prime” defense contractor by bringing AI-enabled, low-cost, mass-produced technology to the U.S. military.

From Barron's