mach

1 of 2

abbreviation

machine; machinery; machinist

Mach

2 of 2

noun

ˈmäk 

: 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

Many new cars—a Ford Mustang Mach-E, a BMW sedan, a Tesla Cybertruck—will just maneuver into a spot for you with a click of a button. — Matteo Wong, The Atlantic, 19 Aug. 2026

On August 13, Germany’s Fraunhofer Institute for High-Speed Dynamics, Ernst-Mach-Institut (Fraunhofer EMI), announced that its high-speed X-ray technology is being prepared for industrial use with Volkswagen’s battery company, PowerCo. — Sujita Sinha, Interesting Engineering, 14 Aug. 2026

There’s a decent selection of Ford Mustang Mach-Es in this price range, too, with almost 700 to choose from around the country. — Jonathan M. Gitlin, ArsTechnica, 11 Aug. 2026

Other EVs like the Hyundai Ioniq 5, at $36,600, the Tesla Model 3 at $38,380 or the Ford Mustang Mach-E at $39,840 are comparable to higher-end gasoline cars. — Paul Rogers, Mercury News, 7 Aug. 2026

Word History

Etymology

Noun

Mach number

First Known Use

Noun

1947, in the meaning defined above

Phrases Containing mach

• Mach number

Rhymes for mach

• balk
• baulk
• bloc
• bock
• broch
• brock
• calk
• caulk
• chalk
• chock
• clock
• cock

Kids Definition

Mach

noun

ˈmäk 

: mach number

Medical Definition

Mach

noun

ˈmäk 

: a usually high speed expressed by a Mach number

an airplane flying at Mach 2

Biographical Definition

Mach

biographical name

ˈmäḵ  ˈmäk 

Ernst 1838–1916 Austrian physicist and philosopher