ohm

play
noun \ˈōm\

Definition of ohm

  1. :  the practical meter-kilogram-second unit of electric resistance equal to the resistance of a circuit in which a potential difference of one volt produces a current of one ampere

ohmic

play \ˈō-mik\ adjective

ohmically

play \ˈō-mi-k(ə-)lē\ adverb

Recent Examples of ohm from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'ohm'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of ohm

Georg Simon Ohm


Ohm

play
biographical name \ˈōm\

Definition of Ohm

  1. Georg Simon 1787–1854 German physicist


OHM Defined for English Language Learners

ohm

play
noun

Definition of ohm for English Language Learners

  • : a unit for measuring electrical resistance


Medical Dictionary

ohm

play
noun \ˈōm\

Medical Definition of ohm

  1. :  the practical mks unit of electrical resistance equal to the resistance of a circuit in which a potential difference of one volt produces a current of one ampere

ohmic

\ˈō-mik\play adjective

Biographical Note for ohm

Ohm

,

Georg Simon

(1789–1854), German physicist. Ohm is best remembered for his discovery of a law of electricity that is now called Ohm's law in his honor. He summarized his discovery in a pamphlet published in 1827. His work exerted great influence on the theory and applications of current electricity. The physical unit measuring electrical resistance was officially designated the ohm by the Paris Electrical Congress of 1881.



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