Word.ws English Dictionary

Mach

/mɑːk/

Mach proper noun: a surname from Czech. Also the clipping of Machiavellian.

Proper noun

Mach

  1. A surname from Czech.
  2. Ernst Mach, Austrian physicist (1838–1916), born in Moravia (now Czech Republic).

Noun

Mach (countable and uncountable, plural Machs)

  1. (uncountable) A ratio of the speed (of an object, etc.) to the speed of sound in the fluid or other medium through which the object travels. Usually used to describe supersonic speeds; always precedes the Mach number.
    • The jet traveled at Mach 3.

Phrase capitalized: MACH

MACH

  1. (abbreviation, acronym) Acronym of microservices, API-first, cloud-native, headless.

Also used as

Mach is also the clipping of Machiavellian.

Forms of Mach

pluralMachs

Origin of Mach

* As a Polish, Czech, Slovak, Ukrainian, and Lower Sorbian surname, from pet forms produced by truncation of personal names beginning with Ma- such as Matej, Martin, or Maciej, and the addition of the Slavic suffix -ch. * As a Jewish surname, from German Mache (“work”). * Less commonly, a respelling of Hungarian Mács, a pet form of names corresponding to Matthew. * In some cases, from Vietnamese (Mạch, itself from the Chinese name 麥 /麦) or Cambodian, from Khmer ម៉ាច (maac).

Words formed from Mach

Phrases with Mach

1 more phrasesFewer phrases

Words that rhyme with Mach

1 more rhymesFewer rhymes

Questions about Mach

What does Mach mean?
Mach means a surname from Czech.
What part of speech is Mach?
Mach can be a proper noun, a noun or a phrase.
How do you pronounce Mach?
Mach is pronounced /mɑːk/.

Words near Mach in the dictionary

  1. macgyvered
  2. MacGyvering
  3. MacGyverism
  4. MacGyverisms
  5. MacGyvers
  6. Mach
  7. Mach angle
  8. Mach angles
  9. Mach band
  10. Mach bands
  11. mach bhaja

Source and license

Adapted from Wiktionary: Mach (page history and authors); MACH (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-Mach2.wav.

Cite this entry: “Mach.” Word.ws, https://word.ws/mach. Based on Wiktionary, CC BY-SA 4.0.