dipole moment


: the moment produced by a magnetic or electric dipole
especially : the product of the distance between the two poles and the magnitude of either pole

Example Sentences

Recent Examples on the Web The dipole moment basically is a way to describe the strength of a magnet, just like electric charge describes the strength of an electric interaction. Rhett Allain, Wired, 31 Dec. 2021 Many of them also influence the electron's dipole moment. Chris Lee, Ars Technica, 7 Nov. 2018 That leads to an obvious question: what is an electric dipole moment? Chris Lee, Ars Technica, 7 Nov. 2018 Searching for the dipole moment of an electron is, basically, looking for this difference in sensitivities. Chris Lee, Ars Technica, 7 Nov. 2018 The electron's egg shape, if real, would be quantified by what is known as the electric dipole moment (EDM). Edwin Cartlidge, Science | AAAS, 26 Oct. 2017

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

Word History

First Known Use

1926, in the meaning defined above

Time Traveler
The first known use of dipole moment was in 1926

Dictionary Entries Near dipole moment

Cite this Entry

“Dipole moment.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dipole%20moment. Accessed 5 Dec. 2022.

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