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).^[1]

• (Received Pronunciation)
  • IPA^(key): /mɑːk/, /mæk/, /maːx/

  • Audio (Southern England):

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  • Audio (Southern England):

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  • Audio (Southern England):

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• Rhymes: -ɑːk, -æk, -aːx

Mach

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

Mach (countable and uncountable, plural Machs)

1. (physics, 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.

2. (informal, countable) Clipping of Machiavellian.
   • 2013, Mark R. Leary, Rick H. Hoyle, Handbook of Individual Differences in Social Behavior, page 97:

     The 1992 review concluded that Machs are generally less satisfied with their jobs.

• ACMH, Cham, HAMC, HMAC, cha'm, cham

• Macha

From English March.

Mach

1. March

From the personal name Mach, pet form of names beginning with Ma- such as Matěj.

• IPA^(key): [ˈmax]

Mach m anim (female equivalent Machová)

1. a male surname

• “Mach”, in Příjmení.cz (in Czech)

From Czech Mach.

• IPA^(key): /ˈmɑkh/, [ˈmɑ̝kh]
• Rhymes: -ɑkh

Mach

1. Mach

   Hävittäjäkoneiden nopeus ilmaistaan usein Macheina.

   The speed of fighter planes is often expressed in Mach.

Mach m (invariable)

1. Mach (number)

• IPA^(key): (13^th CE) /ˈmax/
• IPA^(key): (15^th CE) /ˈmax/

Mach m pers

1. a male given name

• Jan Gebauer (1903–1916) “Mach”, in Slovník staročeský (in Czech), Prague: Česká grafická společnost "unie", Česká akademie císaře Františka Josefa pro vědy, slovesnost a umění

Clipping of personal names beginning with Ma- (e.g. Marcin, Maciej, Małomir) + -ch.^[1] Alternatively, from machać.

• IPA^(key): /ˈmax/
• Rhymes: -ax
• Syllabification: Mach
• Homophone: mach

Mach m pers

1. a male surname

Mach f (indeclinable)

1. a female surname

• “Mach”, in Internetowy słownik nazwisk w Polsce [Internet dictionary of surnames in Poland], 2022

Mach m (plural Machs)

1. (physics) Mach (ratio of speed to the speed of sound)

• IPA^(key): [max]

Mach m pers (female equivalent Machová)

1. a male surname

• “Mach”, in Slovníkový portál Jazykovedného ústavu Ľ. Štúra SAV [Dictionary portal of the Ľ. Štúr Institute of Linguistics, Slovak Academy of Science] (in Slovak), https://slovnik.juls.savba.sk, 2003–2025

From German Macht.

Mach

1. might, power