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ohm

Syllabification: (ohm)
Pronunciation: /ōm/

Definition of ohm

noun

  • the SI unit of electrical resistance, expressing the resistance in a circuit transmitting a current of one ampere when subjected to a potential difference of one volt. (Symbol: Ω)

Derivatives

ohmic

Pronunciation: /ˈōmik/

adjective

ohmically

Pronunciation: /ˈōmik(ə)lē/

adverb

Origin:

mid 19th century: named after G. S. Ohm (see Ohm, Georg)

ohm in other Oxford dictionaries

Definition of ohm in the British & World English dictionary