: 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
Owen Bellwood / Jalopnik, Quartz, 15 Oct. 2024
True to size | Colors: 13 Best Everyday Hoka Women's Mach 6
$140 at Nordstrom View on Zappos View on Hoka.com
Star Qualities
Excellent for everyday wear
Durable
Supportive cushioning
Red Flags
Snug in the width
Caused slight irritation on the back of the heel
Need a shoe for everyday life?
—Avery Stone, People.com, 11 Oct. 2024
Boom Supersonic Boom tested its flutter excitation system (FES) at Mach 0.6 ... which must be unnerving for a test pilot.
—New Atlas, 10 Oct. 2024
Hoka just dropped dozens of new markdowns on some of its best-selling shoes, including the Mach 6 sneakers and the Ora Recovery Slide.
—Sarah Felbin, SELF, 9 Oct. 2024
See all Example Sentences for mach 
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Noun
Ford makes the best-selling non-Tesla EV with the Mustang Mach E.
A version of this article originally appeared on Jalopnik’s The Morning Shift.
—Owen Bellwood / Jalopnik, Quartz, 15 Oct. 2024
True to size | Colors: 13 Best Everyday Hoka Women's Mach 6
$140 at Nordstrom View on Zappos View on Hoka.com
Star Qualities
Excellent for everyday wear
Durable
Supportive cushioning
Red Flags
Snug in the width
Caused slight irritation on the back of the heel
Need a shoe for everyday life?
—Avery Stone, People.com, 11 Oct. 2024
Boom Supersonic Boom tested its flutter excitation system (FES) at Mach 0.6 ... which must be unnerving for a test pilot.
—New Atlas, 10 Oct. 2024
Hoka just dropped dozens of new markdowns on some of its best-selling shoes, including the Mach 6 sneakers and the Ora Recovery Slide.
—Sarah Felbin, SELF, 9 Oct. 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 5 Nov. 2024.
Copy CitationKids Definition
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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