Mach

See also: mach, Mach., mách, and mạch

English

Etymology

From Czech Mach, Slovak Mach, Polish Mach and related languages, from pet forms produced by truncation of personal names beginning with Ma- and the addition of the Slavic suffix -ch. Less commonly, a respelling of Hungarian Mács. In some cases, from Vietnamese or Cambodian.

Pronunciation

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

  • Audio (Southern England)

    (file)

  • Audio (Southern England)

    (file)

  • Audio (Southern England)

    (file)

• Rhymes: -ɑːk, -æk, -aːx

Proper noun

Mach

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

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.

Derived terms

• Mach diamond
• Mach effect
• Mach front
• Mach wave
• Machmeter
• Mach number
• Mach stem
• Mach tuck

Translations

ratio — see also Mach number

• Dutch: mach (nl) m or f
• Finnish: Mach
• German: Mach (de) n
• Japanese: マッハ (ja) (mahha)
• Portuguese: Mach m
• Spanish: Mach

Anagrams

• ACMH, Cham, HAMC, HMAC, cha'm, cham

Choctaw

Alternative forms

• Macha

Etymology

From English March.

Noun

Mach

1. March

Czech

Pronunciation

• IPA^(key): [ˈmax]

Proper noun

Mach m anim (feminine Machová)

1. a male surname

Declension

This proper noun needs an inflection-table template.

Finnish

Etymology

From Czech Mach.

Pronunciation

• IPA^(key): /ˈmɑkh/, [ˈmɑ̝kh]

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
abessive		Machitta	Macheitta
instructive		—	Machein
comitative		See the possessive forms below.

Possessive forms of Mach (Kotus type 5/risti, no gradation)

first-person singular possessor singular plural nominative Machini Machini accusative nom. Machini Machini gen. Machini genitive Machini Machieni partitive Machiani Machejani inessive Machissani Macheissani elative Machistani Macheistani illative Machiini Macheihini adessive Machillani Macheillani ablative Machiltani Macheiltani allative Machilleni Macheilleni essive Machinani Macheinani translative Machikseni Macheikseni abessive Machittani Macheittani instructive — — comitative — Macheineni second-person singular possessor singular plural nominative Machisi Machisi accusative nom. Machisi Machisi gen. Machisi genitive Machisi Machiesi partitive Machiasi Machejasi inessive Machissasi Macheissasi elative Machistasi Macheistasi illative Machiisi Macheihisi adessive Machillasi Macheillasi ablative Machiltasi Macheiltasi allative Machillesi Macheillesi essive Machinasi Macheinasi translative Machiksesi Macheiksesi abessive Machittasi Macheittasi instructive — — comitative — Macheinesi first-person plural possessor singular plural nominative Machimme Machimme accusative nom. Machimme Machimme gen. Machimme genitive Machimme Machiemme partitive Machiamme Machejamme inessive Machissamme Macheissamme elative Machistamme Macheistamme illative Machiimme Macheihimme adessive Machillamme Macheillamme ablative Machiltamme Macheiltamme allative Machillemme Macheillemme essive Machinamme Macheinamme translative Machiksemme Macheiksemme abessive Machittamme Macheittamme instructive — — comitative — Macheinemme second-person plural possessor singular plural nominative Machinne Machinne accusative nom. Machinne Machinne gen. Machinne genitive Machinne Machienne partitive Machianne Machejanne inessive Machissanne Macheissanne elative Machistanne Macheistanne illative Machiinne Macheihinne adessive Machillanne Macheillanne ablative Machiltanne Macheiltanne allative Machillenne Macheillenne essive Machinanne Macheinanne translative Machiksenne Macheiksenne abessive Machittanne Macheittanne instructive — — comitative — Macheinenne third-person possessor singular plural nominative Machinsa Machinsa accusative nom. Machinsa Machinsa gen. Machinsa genitive Machinsa Machiensa partitive Machiaan Machiansa Machejaan Machejansa inessive Machissaan Machissansa Macheissaan Macheissansa elative Machistaan Machistansa Macheistaan Macheistansa illative Machiinsa Macheihinsa adessive Machillaan Machillansa Macheillaan Macheillansa ablative Machiltaan Machiltansa Macheiltaan Macheiltansa allative Machilleen Machillensa Macheilleen Macheillensa essive Machinaan Machinansa Macheinaan Macheinansa translative Machikseen Machiksensa Macheikseen Macheiksensa abessive Machittaan Machittansa Macheittaan Macheittansa instructive — — comitative — Macheineen Macheinensa

Italian

Noun

Mach m (invariable)

1. Mach (number)

Polish

Etymology

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

Pronunciation

• IPA^(key): /max/
• Rhymes: -ax
• Syllabification: Mach

Proper noun

Mach m pers

1. a male surname

Declension

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

Proper noun

Mach f (indeclinable)

1. a female surname

See also

• Appendix:Polish surnames

Portuguese

Noun

Mach m (plural Machs)

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

Slovak

Pronunciation

• IPA^(key): [max]

Proper noun

Mach m anim (feminine Machová)

1. a male surname

Further reading

• “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, 2024

Unserdeutsch

Etymology

From German Macht.

Noun

Mach

1. might, power