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

Serving as the core testbed for the DOD and Naval Surface Warfare Center Crane Division, HASTE allows defense agencies to evaluate payloads and maneuverable hardware at Mach 5+ speeds. — Mrigakshi Dixit, Interesting Engineering, 11 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

That warrants some skepticism, but the founding team is full of Tesla, Mitre, Shield AI and Mach Industries alumni, and the company is already shipping 10,000 motors a month. — John Koetsier, Forbes.com, 6 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