ohm
English
Etymology
Named after Bavarian physicist Georg OhmCategory:English eponyms#OHM. A GermanCategory:English terms derived from German#OHM surname, first recorded in the 12th century, from German Ohm (“uncle”), from Proto-West GermanicCategory:English terms derived from Proto-West Germanic#OHM *auhaim (“maternal uncle”), from or related to Proto-GermanicCategory:English terms derived from Proto-Germanic#OHM *awô (“grandfather, paternal uncle”) + *haimaz (“home”). Doublet of oomCategory:English doublets#OHM and of dialectal eam (“uncle”).
Pronunciation
- (UK) IPA(key): /əʊm/Category:English 1-syllable words#OHMCategory:English terms with IPA pronunciation#OHM
- (US) IPA(key): /oʊm/Category:English 1-syllable words#OHMCategory:English terms with IPA pronunciation#OHM
Category:English terms with audio pronunciation#OHMAudio (Southern England): (file)
Category:English terms with audio pronunciation#OHMAudio (US): (file) - Rhymes: -əʊmCategory:Rhymes:English/əʊm#OHMCategory:Rhymes:English/əʊm/1 syllable#OHM
Noun
ohm (plural ohms)Category:English lemmas#OHMCategory:English nouns#OHMCategory:English countable nouns#OHMCategory:English entries with incorrect language header#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
- 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)
- 1900, Journal of the Franklin Institute, volume 149, page 461:Category:Quotation templates to be cleaned
- If the volt, ampere and ohm were taken as the absolute units, the practical units would be the ampere, begohm and begavolt, names just as convenient as ampere, coulomb and farad.Category:English terms with quotations#OHM
- 1992, Chilton's General Motors, page 7:
- As the test light voltage touches terminal "C7", the module should switch, causing the ohmmeter to "overrange" if the meter is in the 1000-2000 ohms position.Category:English terms with quotations#OHM
Derived terms
Translations
Anagrams
Category:en:Physics#OHMCategory:en:SI units#OHMCzech
Pronunciation
Noun
ohm m inanCategory:Czech lemmas#OHMCategory:Czech nouns#OHMCategory:Czech entries with incorrect language header#OHMCategory:Czech masculine nouns#OHMCategory:Czech inanimate nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
- 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)Category:Dutch lemmas#OHMCategory:Dutch nouns#OHMCategory:Dutch nouns with plural in -s#OHMCategory:Dutch entries with incorrect language header#OHMCategory:Dutch masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
French
Pronunciation
- IPA(key): /om/Category:French 1-syllable words#OHMCategory:French terms with IPA pronunciation#OHM
Category:French terms with audio pronunciation#OHMAudio: (file)
Category:French terms with audio pronunciation#OHMAudio (France (Vosges)): (file) - Homophone: heaumeCategory:French terms with homophones#OHM (but aspirated h)
Noun
ohm m (plural ohms)Category:French lemmas#OHMCategory:French nouns#OHMCategory:French countable nouns#OHMCategory:French entries with incorrect language header#OHMCategory:French masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
Further reading
- “ohm”, in Trésor de la langue française informatisé [Digitized Treasury of the French Language], 2012
Galician
Noun
ohm m (plural ohns)Category:Galician lemmas#OHMCategory:Galician nouns#OHMCategory:Galician countable nouns#OHMCategory:Galician nouns with red links in their headword lines#OHMCategory:Galician entries with incorrect language header#OHMCategory:Galician masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
Category:gl:Physics#OHMNorwegian Nynorsk
Etymology
Named after Bavarian physicist Georg OhmCategory:Norwegian Nynorsk eponyms#OHM.
Pronunciation
Noun
ohm m (definite singular ohmen, indefinite plural ohm, definite plural ohmane)Category:Norwegian Nynorsk lemmas#OHMCategory:Norwegian Nynorsk nouns#OHMCategory:Norwegian Nynorsk entries with incorrect language header#OHMCategory:Norwegian Nynorsk masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
References
- “ohm” in The Nynorsk Dictionary.
Anagrams
Category:nn:Physics#OHMCategory:nn:SI units#OHMCategory:nn:Units of measure#OHMPolish
Alternative forms
Etymology
Named after the German physicist Georg Ohm.
Pronunciation
Noun
ohm m inanCategory:Polish lemmas#OHMCategory:Polish nouns#OHMCategory:Polish entries with incorrect language header#OHMCategory:Polish masculine nouns#OHMCategory:Polish inanimate nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
Declension
Further reading
- ohm in Polish dictionaries at PWN
Portuguese
Etymology
Named after Bavarian physicist Georg OhmCategory:Portuguese eponyms#OHM. See GermanCategory:Portuguese terms derived from German#OHM Ohm.
Pronunciation
- Hyphenation: ohm
Noun
ohm m (plural ohms)Category:Portuguese lemmas#OHMCategory:Portuguese nouns#OHMCategory:Portuguese countable nouns#OHMCategory:Portuguese entries with incorrect language header#OHMCategory:Portuguese masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
- 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 FrenchCategory:Romanian terms borrowed from French#OHMCategory:Romanian terms derived from French#OHM ohm.
Noun
ohm m (plural ohmi)Category:Romanian lemmas#OHMCategory:Romanian nouns#OHMCategory:Romanian countable nouns#OHMCategory:Romanian entries with incorrect language header#OHMCategory:Romanian masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
Declension
Spanish
Pronunciation
- IPA(key): /ˈom/ [ˈõm]Category:Spanish 1-syllable words#OHMCategory:Spanish terms with IPA pronunciation#OHM
- Rhymes: -omCategory:Rhymes:Spanish/om#OHMCategory:Rhymes:Spanish/om/1 syllable#OHM
- Syllabification: ohm
Noun
ohm m (plural ohms)Category:Spanish lemmas#OHMCategory:Spanish nouns#OHMCategory:Spanish countable nouns#OHMCategory:Spanish entries with incorrect language header#OHMCategory:Spanish masculine nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
- 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 cCategory:Swedish lemmas#OHMCategory:Swedish nouns#OHMCategory:Swedish entries with incorrect language header#OHMCategory:Swedish common-gender nouns#OHMCategory:Pages with entries#OHMCategory:Pages with 11 entries#OHM
- ohm, Ω
- 1883, Gustaf Robert Dahlander, “Uppmätning af potentialskilnaden mellan två punkter”, in Elektriciteten och dess förnämsta tekniska tillämpningar, page 57:
- Däremot har det för svagare strömmar afsedda instrumentet 100 ohms motstånd, […]Category:Swedish terms with quotations#OHM
- On the other hand, the instrument for weaker currents has a resistance of 100 ohms, […]
Derived terms
See also
References
- “ohm”, in Svensk ordbok [Dictionary of Swedish] (in Swedish)
- “ohm”, in Svenska Akademiens ordbok [Dictionary of the Swedish Academy] (in Swedish)