Mach

See also: mach, Mach., mách, and mạch

English

Pronunciation

Proper noun

Mach

  1. Ernst Mach, Austrian physicist 1838 - 1916.

Noun

Mach (uncountable)

  1. (physics) 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; the Mach number.
    The jet traveled at Mach 3.

Usage notes
  • Never plural.
  • Always precedes the number, as in the example above.

Translations
ratio — See also translations at Mach number

Anagrams

Finnish

Noun

Mach

  1. Mach
    Hävittäjäkoneiden nopeus ilmaistaan usein Macheina.
    The speed of fighter planes is often expressed in Mach.

Declension
Inflection of Mach (Kotus type 5/risti, no gradation)
nominative Mach Machit
genitive Machin Machien
partitive Machia Macheja
illative Machiin Macheihin
singular plural
nominative Mach Machit
accusative nom. Mach Machit
gen. Machin
genitive Machin Machien
partitive Machia Macheja
inessive Machissa Macheissa
elative Machista Macheista
illative Machiin Macheihin
adessive Machilla Macheilla
ablative Machilta Macheilta
allative Machille Macheille
essive Machina Macheina
translative Machiksi Macheiksi
instructive — Machein
abessive Machitta Macheitta
comitative — Macheineen

Italian

Noun

Mach m (invariable)

  1. Mach (number)

Polish

Etymology

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

Pronunciation
  • IPA(key): /max/

Proper noun

Mach m pers or f

  1. A masculine surname​.
  2. A feminine surname​.

Declension

Masculine surname:

declension of Mach
singular plural
nominative Mach Machowie
genitive Macha Machów
dative Machowi Machom
accusative Macha Machów
instrumental Machem Machami
locative Machu Machach
vocative Machu Machowie

The feminine surname is indeclinable.

References
  1. Stankiewicz, Edward (1986) The Slavic Languages: Unity in Diversity‎, page 261

Portuguese

Noun

Mach m (plural Machs)

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

Unserdeutsch

Etymology

From German Macht.

Noun

Mach

  1. might, power
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