watt

See also: Watt

English

Etymology

Named after Scottish engineer James Watt. For the surname, see Watt.

Pronunciation

• (UK) IPA^(key): /wɒt/

• Audio (Southern England):

  (file)

• (US) enPR: wät, IPA^(key): /wɑt/
• Rhymes: -ɒt
• Homophones: wat, wot; what (Received Pronunciation, wine–whine merger)

Noun

watt (plural watts)

2. In the International System of Units, the derived unit of power; the power of a system in which one joule of energy is transferred per second. Symbol: W

Derived terms

• gigawatt
• kilowatt
• megawatt
• microwatt
• milliwatt
• nanowatt
• picowatt
• terawatt
• watt-hour
• watt-second
• watt-year

Translations

derived unit of power

• Afrikaans: watt (af)
• Albanian: vat (sq) m
• Amharic: ዋት (wat)
• Arabic: وَاط m (wāṭ)
• Armenian: վատտ (hy) (vatt)
• Asturian: vatiu m, watt m
• Azerbaijani: vatt
• Belarusian: ват m (vat)
• Bengali: ওয়াট (bn) (ōẇaṭ)
• Bulgarian: ват (bg) m (vat)
• Burmese: ဝပ် (my) (wap)
• Catalan: watt (ca) m
• Chinese:

  Mandarin: 瓦特 (zh) (wǎtè)

• Czech: watt (cs)
• Danish: watt n
• Dutch: watt (nl) m
• Esperanto: vatto, ŭato, vato
• Estonian: vatt
• Faroese: watt n
• Finnish: watti (fi)
• French: watt (fr) m
• Galician: vatio (gl) m, watt (gl) m
• Georgian: ვატი (vaṭi)
• German: Watt (de) n
• Greek: βατ (el) n (vat)
• Hebrew: וָאט (he) m (vat)
• Hindi: वॉट m (vŏṭ), वाट (hi) m (vāṭ)
• Hungarian: watt (hu)
• Icelandic: vatt n
• Ido: wato (io)
• Indonesian: watt (id)
• Italian: watt (it) m
• Japanese: ワット (ja) (watto)
• Kazakh: ватт (vatt)
• Khmer: វ៉ាត់ (vat)
• Korean: 와트 (wateu)
• Kurdish:

  Northern Kurdish: watt

• Kyrgyz: ватт (ky) (vatt)
• Lao: ວັດ (lo) (wat)
• Latvian: vats m
• Lithuanian: vatas m
• Macedonian: ват m (vat)
• Malay: watt
• Māori: wata
• Mongolian:

  Cyrillic: ватт (mn) (vatt)

  Mongolian script: ᠸᠠᠲ᠋ᠲ᠋ (watt)

• Norwegian:

  Bokmål: watt m

  Nynorsk: watt m

• Pashto: واټ (ps) m
• Persian: وات (fa) (vât)
• Polish: wat (pl) m
• Portuguese: watt (pt) m
• Romanian: watt (ro) m
• Russian: ватт (ru) m (vatt)
• Sami:

  Inari Sami: wattâ

• Scottish Gaelic: uàt m
• Serbo-Croatian:

  Cyrillic: ва̏т m

  Latin: vȁt (sh) m

• Sicilian: watt m
• Slovak: watt m
• Slovene: vat (sl) m
• Spanish: vatio (es) m, watt m (wat), watio (es) m (Latin America)
• Swahili: wati
• Swedish: watt (sv) c
• Tagalog: watt
• Tajik: ватт (tg) (vatt)
• Tatar: ватт (watt)
• Thai: วัตต์ (th) (wàt)
• Turkish: watt
• Turkmen: watt
• Ukrainian: ват (uk) m (vat)
• Urdu: واٹ (ur) m (vāṭ)
• Uyghur: ۋات (wat)
• Uzbek: vatt (uz)
• Vietnamese: watt (vi), oát (vi), oat (vi)
• Yiddish: וואַט m (vat)

See also

• watt on Wikipedia.Wikipedia

Anagrams

• ATWT, at. wt., twat

Asturian

Etymology

From English watt.

Noun

watt m (plural watts)

1. watt (derived unit of power)

Synonyms

• vatiu

Czech

Noun

watt m inan

1. watt (unit of power)

Declension

Declension of watt (hard masculine inanimate)

	singular	plural
nominative	watt	watty
genitive	wattu	wattů
dative	wattu	wattům
accusative	watt	watty
vocative	watte	watty
locative	wattu	wattech
instrumental	wattem	watty

Further reading

• “watt”, in Příruční slovník jazyka českého (in Czech), 1935–1957
• “watt”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989

Dutch

Pronunciation

• IPA^(key): [ʋɒt], [ʋɑt]

• Audio:

  (file)

• Homophones: wad, wat

Noun

watt m (plural watts, diminutive wattje n)

1. watt

French

Etymology

Borrowed from English watt.

Pronunciation

• IPA^(key): /wat/

• Audio (Paris):

  (file)

• Audio (Switzerland (Valais)):

  (file)

• Audio (France (Vosges)):

  (file)

• Audio (France (Lyon)):

  (file)

• Homophone: ouate

Noun

watt m (plural watts)

1. watt

Further reading

• “watt”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012

Galician

Noun

watt m (plural watts)

1. watt

   Synonym: vatio

Hungarian

Etymology

From English watt, named after Scottish engineer James Watt.

Pronunciation

• IPA^(key): [ˈvɒtː]

• Audio:

  (file)

• Hyphenation: watt
• Rhymes: -ɒtː

Noun

watt (plural wattok)

1. watt (derived unit of power)

Declension

Inflection (stem in -o-, back harmony)

	singular	plural
nominative	watt	wattok
accusative	wattot	wattokat
dative	wattnak	wattoknak
instrumental	wattal	wattokkal
causal-final	wattért	wattokért
translative	wattá	wattokká
terminative	wattig	wattokig
essive-formal	wattként	wattokként
essive-modal	—	—
inessive	wattban	wattokban
superessive	watton	wattokon
adessive	wattnál	wattoknál
illative	wattba	wattokba
sublative	wattra	wattokra
allative	watthoz	wattokhoz
elative	wattból	wattokból
delative	wattról	wattokról
ablative	wattól	wattoktól
non-attributive possessive – singular	watté	wattoké
non-attributive possessive – plural	wattéi	wattokéi

Possessive forms of watt

possessor	single possession	multiple possessions
1st person sing.	wattom	wattjaim
2nd person sing.	wattod	wattjaid
3rd person sing.	wattja	wattjai
1st person plural	wattunk	wattjaink
2nd person plural	wattotok	wattjaitok
3rd person plural	wattjuk	wattjaik

Derived terms

• wattnyi
• wattos

Compound words

• wattfogyasztás
• wattmérő
• wattóra

Related terms

• kilowatt
• megawatt

Further reading

• watt in Géza Bárczi, László Országh, et al., editors, A magyar nyelv értelmező szótára [The Explanatory Dictionary of the Hungarian Language] (ÉrtSz.), Budapest: Akadémiai Kiadó, 1959–1962. Fifth ed., 1992: →ISBN.

Italian

Etymology

Unadapted borrowing from English watt.

Pronunciation

• IPA^(key): /ˈvat/
• Rhymes: -at

Noun

watt m (invariable)

1. watt

Derived terms

• gigawatt
• kilowatt
• megawatt
• terawatt
• wattora

Norwegian Bokmål

Etymology

Named after the Scottish engineer James Watt.

Noun

watt m (definite singular watten, indefinite plural watt, definite plural wattene)

1. a watt (SI unit of power, symbol W)

Derived terms

• kilowatt
• megawatt
• wattsekund

Norwegian Nynorsk

Etymology

Named after the Scottish engineer James Watt.

Noun

watt m (definite singular watten, indefinite plural watt, definite plural wattane)

1. a watt (as above)

Derived terms

• wattsekund

Portuguese

Etymology

Unadapted borrowing from English watt.

Pronunciation

 

• (Brazil) IPA^(key): /ˈwɔ.t͡ʃi/, /ˈwɔt͡ʃ/, /ˈwa.t͡ʃi/, /ˈwat͡ʃ/, /ˈva.t͡ʃi/, /ˈvat͡ʃ/

• (Brazil) IPA^(key): /ˈwɔ.t͡ʃi/, /ˈwɔt͡ʃ/, /ˈwa.t͡ʃi/, /ˈwat͡ʃ/, /ˈva.t͡ʃi/, /ˈvat͡ʃ/
  • (Southern Brazil) IPA^(key): /ˈwɔt͡ʃ/, /ˈwɔ.t͡ʃi/, /ˈwat͡ʃ/, /ˈwa.t͡ʃi/, /ˈvat͡ʃ/, /ˈva.t͡ʃi/

• (Portugal) IPA^(key): /ˈwɔt/

Noun

watt m (plural watts)

1. watt (derived unit of power)

Further reading

• “watt”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026
• “watt”, in Michaelis Dicionário Brasileiro da Língua Portuguesa (in Portuguese), São Paulo: Editora Melhoramentos, 2015–2026, →ISBN
• “watt”, in Dicionário infopédia da Lingua Portuguesa (in Portuguese), Porto: Porto Editora, 2003–2026
• “watt”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026

Romanian

Etymology

Borrowed from French watt.

Noun

watt m (plural wați)

1. watt

Declension

	singular			plural
	indefinite	definite		indefinite	definite
nominative-accusative	watt	wattul		wați	wații
genitive-dative	watt	wattului		wați	waților
vocative	wattule			waților

Spanish

Alternative forms

• vatio

Etymology

Unadapted borrowing from English watt.

Pronunciation

• IPA^(key): /ˈwat/ [ˈwat̪]
• Rhymes: -at
• Syllabification: watt

Noun

watt m (plural watts)

1. watt

Usage notes

According to Royal Spanish Academy (RAE) prescriptions, unadapted foreign words should be written in italics in a text printed in roman type, and vice versa, and in quotation marks in a manuscript text or when italics are not available. In practice, this RAE prescription is not always followed.

Further reading

• “watt”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8.1, Royal Spanish Academy [Spanish: Real Academia Española], 15 December 2025

Swedish

Etymology

Named after Scottish engineer James Watt; for the surname see Watt.

Pronunciation

• IPA^(key): /vat/

Noun

watt c

1. watt