: a usually high speed expressed by a Mach number
an airplane flying at Mach 2
Examples of mach in a Sentence
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Richard Tribou, The Orlando Sentinel, 27 May 2025
According to the company, the ultimate goal is to use an advanced version of the engine to power the Stargazer M4, a Mach 4 reusable passenger aircraft.
—David Szondy
may 25, New Atlas, 25 May 2025
Bombardier says the Global 8000’s range at this ultra-high cruise speed of Mach 0.92 will be up to 4,200 nautical miles.
—Michael Verdon, Robb Report, 20 May 2025
Dark Eagle is designed to fly at speeds exceeding Mach 5, or 3,800 mph, with a reported range of 1,725 miles (2,775 kilometers), sufficient to reach Taiwan from Guam, or NATO's borders with Russia from Western Europe.
—Stephen Clark, ArsTechnica, 26 Apr. 2025
See All Example Sentences for mach
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Noun
One thing that did work on both its January and Mach launch attempts was the successful recapture of the Super Heavy booster back at the launch site.
—Richard Tribou, The Orlando Sentinel, 27 May 2025
According to the company, the ultimate goal is to use an advanced version of the engine to power the Stargazer M4, a Mach 4 reusable passenger aircraft.
—David Szondy
may 25, New Atlas, 25 May 2025
Bombardier says the Global 8000’s range at this ultra-high cruise speed of Mach 0.92 will be up to 4,200 nautical miles.
—Michael Verdon, Robb Report, 20 May 2025
Dark Eagle is designed to fly at speeds exceeding Mach 5, or 3,800 mph, with a reported range of 1,725 miles (2,775 kilometers), sufficient to reach Taiwan from Guam, or NATO's borders with Russia from Western Europe.
—Stephen Clark, ArsTechnica, 26 Apr. 2025
See All Example Sentences for mach
Cite this Entry
“Mach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mach. Accessed 3 Jun. 2025.
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Mach
nounMedical Definition
Mach
noun
: a usually high speed expressed by a Mach number
an airplane flying at Mach 2
Biographical Definition
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