: a usually high speed expressed by a Mach number
an airplane flying at Mach 2
Examples of mach in a Sentence
Recent Examples on the Web
Brad Dress, The Hill, 21 Nov. 2024
During his address to the nation that evening, Putin proclaimed that the missile travels at speed of Mach 10 and cannot be intercepted by any existing air defense systems.
—Katya Soldak, Forbes, 21 Nov. 2024
The record store stood out next to the rest of the empty, Rust Belt street called Mach Luchey Way, named after the old owner of the record store actually.
—Julian Roberts-Grmela, SPIN, 20 Nov. 2024
The Mach 1 boots also use a polyurethane plastic with a thickness adjusted to enhance vibration damping and stability.
—Outside Editors, Outside Online, 11 Nov. 2024
See all Example Sentences for mach 
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Noun
Russia has fired the Kinzhal, which can fly at Mach 5 or greater, several times into Ukraine.
—Brad Dress, The Hill, 21 Nov. 2024
During his address to the nation that evening, Putin proclaimed that the missile travels at speed of Mach 10 and cannot be intercepted by any existing air defense systems.
—Katya Soldak, Forbes, 21 Nov. 2024
The record store stood out next to the rest of the empty, Rust Belt street called Mach Luchey Way, named after the old owner of the record store actually.
—Julian Roberts-Grmela, SPIN, 20 Nov. 2024
The Mach 1 boots also use a polyurethane plastic with a thickness adjusted to enhance vibration damping and stability.
—Outside Editors, Outside Online, 11 Nov. 2024
See all Example Sentences for mach
Dictionary Entries Near mach
Cite this Entry
“Mach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mach. Accessed 1 Dec. 2024.
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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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