ohm

noun
\ ˈōm How to pronounce ohm (audio) \

Definition of ohm

: 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

Other Words from ohm

ohmic \ ˈō-​mik How to pronounce ohm (audio) \ adjective
ohmically \ ˈō-​mi-​k(ə-​)lē How to pronounce ohm (audio) \ adverb

Examples of ohm in a Sentence

Recent Examples on the Web Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, 21 Oct. 2020 In general, speakers with a lower rating like 4 ohms will need a more powerful receiver to drive them, while 8-ohm speakers, which are the most common, will work with most receivers. Don Melanson, Popular Mechanics, 18 July 2018

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.

First Known Use of ohm

1861, in the meaning defined above

History and Etymology for ohm

Georg Simon Ohm

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Dictionary Entries Near ohm

Ohlone

ohm

Ohm

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Statistics for ohm

Cite this Entry

“Ohm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ohm. Accessed 25 May. 2022.

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More Definitions for ohm

ohm

noun
\ ˈōm How to pronounce ohm (audio) \

Medical Definition of ohm

: 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

Other Words from ohm

ohmic \ ˈō-​mik How to pronounce ohm (audio) \ adjective

Ohm biographical name

\ ˈōm How to pronounce Ohm (audio) \

Definition of Ohm

Georg Simon 1787–1854 German physicist

More from Merriam-Webster on ohm

Nglish: Translation of ohm for Spanish Speakers

Britannica.com: Encyclopedia article about ohm

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