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: 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
Noun
The jet’s already impressive range increased to 7,750 nautical miles at Mach 0.85 or 6,650 nautical miles at Mach 0.90, gaining 250 nautical miles at both speeds over original projections.
—Rachel Cormack, Robb Report, 16 May 2024
In 1963, President John F. Kennedy launched an initiative called the Supersonic Transport (SST) that brought government and industry together, with the goal of building a commercial supersonic airliner capable carrying 300 passengers, flying at Mach 3, or 2301 mph.
—J. George Gorant, Robb Report, 8 May 2024
To set things off, Mach tapped 03 Greedo for the hook and fellow Haitian KAYTRANADA for the production of the album’s title track and lead single.
—Angel Diaz, Billboard, 6 May 2024
The ultra-long-range jet can fly 7,750 nautical miles at Mach 0.85 (652 mph) or 6,650 nautical miles at Mach 0.90 (690 mph) and can also reach Mach 0.935 (717 mph) at full tilt.
—Rachel Cormack, Robb Report, 24 Apr. 2024
In the film, Sean Connery lead a posse of hapless police on a chase through downtown Las Vegas in a red Mach 1.
—Carole Horst, Variety, 20 Apr. 2024
More Comfy Hoka Shoes at Zappos: Hoka Women’s Clifton 9 Running Shoes
Hoka Women’s Mach 6 Running Shoes
Hoka Women's Kawana 2 Running Shoes
Hoka Women’s Gaviota 5 Running Shoes
Hoka Women’s Solimar Running Shoes
At the time of publishing, the price started at $165.
—Samantha Leal, Travel + Leisure, 9 Apr. 2024
The goal is to get the aircraft to fly at a hypersonic speed of Mach 5.5—or 4,219 mph.
—Rachel Cormack, Robb Report, 3 Apr. 2024
Ford, for instance, cut production of the F-150 Lightning electric pickup, and lopped up to $8,100 off the price of the Mustang Mach E electric SUV in order to sell 2023 models.
—Tom Krisher, Quartz, 2 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'mach.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Word History
Etymology
Noun
Mach number
Phrases Containing mach
Dictionary Entries Near mach
Cite this Entry
“Mach.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mach. Accessed 8 Jun. 2024.
Kids Definition
Mach
nounMedical Definition
Mach
noun
: a usually high speed expressed by a Mach number
an airplane flying at Mach 2
Biographical Definition
More from Merriam-Webster on mach
Nglish: Translation of mach for Spanish Speakers
Britannica English: Translation of mach for Arabic Speakers
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