ohm

views updated May 23 2018

ohm / ōm/ • n. 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: ohm·ic / ˈōmik/ adj.ohm·i·cal·ly / ōmik(ə)lē/ adv.

The Oxford Pocket Dictionary of Current English

ohm

views updated May 11 2018

ohm (symbol Ω) SI unit of electrical resistance, equal to the resistance between two points on a conductor when a constant potential difference of one volt between them produces a current of one ampere.

World Encyclopedia

ohm

views updated May 18 2018

ohm (ohm) n. the SI unit of electrical resistance, equal to the resistance between two points on a conductor when a constant potential difference of 1 volt applied between these points produces a current of 1 ampere. Symbol: Ω.

A Dictionary of Nursing

ohm

views updated Jun 08 2018

ohm unit of electrical resistance. XIX. f. name of Georg Simon Ohm, German physicist (1787–1854).

The Concise Oxford Dictionary of English Etymology T. F. HOAD

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