: 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
J. George Gorant, Robb Report, 5 Dec. 2024
Shop these Hoka Women's Mach 6 sneakers for $112 or the Hoka Men's Clifton 9 for $116.
—Amelia McBride, Travel + Leisure, 2 Dec. 2024
Also worth noting: Dr. Martens Mary Janes and Hoka Mach 6 (our top white sneaker pick).
—Jake Henry Smith, Glamour, 29 Nov. 2024
By the time lunch was done 40 minutes later, the Mach E battery had gone from nearly empty to nearly full.
—Russ Mitchell, Los Angeles Times, 26 Nov. 2024
See all Example Sentences for mach 
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Noun
Brandenburg completed the eighth and most recent flight of the XB-1 on Nov. 16, reaching an altitude of 25,000 feet and a speed of Mach 0.82.
—J. George Gorant, Robb Report, 5 Dec. 2024
Shop these Hoka Women's Mach 6 sneakers for $112 or the Hoka Men's Clifton 9 for $116.
—Amelia McBride, Travel + Leisure, 2 Dec. 2024
Also worth noting: Dr. Martens Mary Janes and Hoka Mach 6 (our top white sneaker pick).
—Jake Henry Smith, Glamour, 29 Nov. 2024
By the time lunch was done 40 minutes later, the Mach E battery had gone from nearly empty to nearly full.
—Russ Mitchell, Los Angeles Times, 26 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 10 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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