English

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 jet traveled at Mach 3.

2. (physics) the Mach number

Translations

Usage notes

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

Anagrams

• cham

Italian

Noun

Mach m ‎(invariable)

1. Mach (number)

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

German

Verb

mach

1. second-person singular imperative of machen

Polish

Pronunciation

• IPA^(key): /max/

Noun

mach m inan

1. (physics) Mach number
2. waving, flapping
3. (regional) kind of folk dance style

Declension

Interjection

1. an exclamation of quickly made action

Noun

mach f

1. plural genitive of macha

Romani

Etymology

From Sanskrit मक्षी ‎(makṣī, “fly”).

Noun

mach f

1. fly (insect)

Serbo-Croatian

Noun

mach m

1. Obsolete spelling of mah

Slovak

Etymology

From Proto-Slavic *mъxъ.

Noun

mach m

1. moss

Welsh

Adjective

mach

1. Nasal mutation of bach ‎(“small”).

Mutation