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The Columbia Encyclopedia, Sixth Edition | 2008 | The Columbia Encyclopedia, Sixth Edition. Copyright 2008 Columbia University Press. (Hide copyright information) Copyright

ohm ōm [for G. S. Ohm ], unit of electrical resistance , defined as the resistance in a circuit in which a potential difference of one volt creates a current of one ampere; hence, 1 ohm equals 1 volt/ampere. The megohm (1,000,000 ohms) and the milliohm (.001 ohm) are units derived from the ohm.

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ohm

The Concise Oxford Dictionary of English Etymology | 1996 | | © The Concise Oxford Dictionary of English Etymology 1996, originally published by Oxford University Press 1996. (Hide copyright information) Copyright

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

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T. F. HOAD. "ohm." The Concise Oxford Dictionary of English Etymology. 1996. Encyclopedia.com. 26 Nov. 2009 <http://www.encyclopedia.com>.

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A Dictionary of Nursing | 2008 | © A Dictionary of Nursing 2008, originally published by Oxford University Press 2008. (Hide copyright information) Copyright

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.

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