ohm

== English == === Etymology === Named after Bavarian physicist Georg Ohm. A German surname, first recorded in the 12th century, from German Ohm (“uncle”), from Proto-West Germanic *auhaim (“maternal uncle”), from or related to Proto-Germanic *awô (“grandfather, paternal uncle”) + *haimaz (“home”). Doublet of oom and of dialectal eam (“uncle”). === Pronunciation === (UK) IPA(key): /əʊm/ (US) IPA(key): /oʊm/ Rhymes: -əʊm === Noun === ohm (plural ohms) In the International System of Units, the derived unit of electrical resistance; the electrical resistance of a device across which a potential difference of one volt causes a current of one ampere. Alternative form: Ω (symbol) ==== Derived terms ==== ==== Translations ==== === Anagrams === moh, HOM, Hom, hom., HMO, MHO, MOH, Moh., mho == Czech == === Pronunciation === IPA(key): [ˈoɦm̩] === Noun === ohm m inan ohm (unit of electrical resistance) ==== Declension ==== === Further reading === “ohm”, in Příruční slovník jazyka českého (in Czech), 1935–1957 “ohm”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989 == Dutch == === Pronunciation === === Noun === ohm m (plural ohms, diminutive ohmpje n) ohm == French == === Pronunciation === IPA(key): /om/ Homophone: heaume (but aspirated h) === Noun === ohm m (plural ohms) ohm === Further reading === “ohm”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012 == Galician == === Noun === ohm m (plural ohns) ohm == Norwegian Nynorsk == === Etymology === Named after Bavarian physicist Georg Ohm. === Pronunciation === IPA(key): /uːm/ Homophones: om, óm === Noun === ohm m (definite singular ohmen, indefinite plural ohm, definite plural ohmane) ohm === References === “ohm” in The Nynorsk Dictionary. === Anagrams === hom == Polish == === Alternative forms === om === Etymology === Named after the German physicist Georg Ohm. === Pronunciation === IPA(key): /ˈɔm/ Rhymes: -ɔm Syllabification: ohm === Noun === ohm m inan (uncommon) ohm ==== Declension ==== === Further reading === ohm in Polish dictionaries at PWN == Portuguese == === Etymology === Named after Bavarian physicist Georg Ohm. See German Ohm. === Pronunciation === Hyphenation: ohm === Noun === ohm m (plural ohms) ohm (the derived unit of electrical resistance) === Further reading === “ohm”, in Dicionário Aulete Digital (in Portuguese), Rio de Janeiro: Lexikon Editora Digital, 2008–2026 “ohm”, in Dicionário Priberam da Língua Portuguesa (in Portuguese), Lisbon: Priberam, 2008–2026 == Romanian == === Etymology === Borrowed from French ohm. === Noun === ohm m (plural ohmi) ohm ==== Declension ==== == Spanish == === Pronunciation === IPA(key): /ˈom/ [ˈõm] Rhymes: -om Syllabification: ohm === Noun === ohm m (plural ohms) alternative form of ohmio === Further reading === “ohm”, 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 === From Georg Simon Ohm (1789–1854), attested since 1882. === Noun === ohm c ohm, Ω ==== Derived terms ==== === See also === impedans (“impedance”) Ohms lag (“Ohm's law”) reaktans (“reactance”) resistans (“resistance”) === References === ohm in Svensk ordbok (SO) ohm in Svenska Akademiens ordbok (SAOB)