ohm

noun
\ ˈōm How to pronounce ohm (audio) \

Definition of ohm

 (Entry 1 of 2)

: 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

Ohm

biographical name
\ ˈōm How to pronounce Ohm (audio) \

Definition of Ohm (Entry 2 of 2)

Georg Simon 1787–1854 German physicist

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Other Words from ohm

Noun

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: Noun Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 Now flip the switch On and the meter should read less than one ohm. Joseph Truini, Popular Mechanics, "How to Use a Digital Multimeter," 21 Oct. 2020 ClassPass says meditation classes were the most popular type of wellness activities booked in 2019, which probably has to do with the fact that there are more options for ohm-ing in person and online than ever before. Carly Mallenbaum, USA TODAY, "Have a New Year's resolution to work out? Here are 10 fitness trends to try in 2020," 2 Jan. 2020

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.

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First Known Use of ohm

Noun

1861, in the meaning defined above

History and Etymology for ohm

Noun

Georg Simon Ohm

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Learn More about ohm

Statistics for ohm

Last Updated

21 Jan 2021

Cite this Entry

“Ohm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ohm. Accessed 2 Mar. 2021.

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More Definitions for ohm

ohm

noun

English Language Learners Definition of ohm

technical : a unit for measuring electrical resistance

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

More from Merriam-Webster on ohm

Nglish: Translation of ohm for Spanish Speakers

Britannica.com: Encyclopedia article about ohm

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