# Larmor theorem

- the theorem that an electron subjected only to the force exerted by the nucleus about which it is moving will undergo Larmor precession but no other change in motion when placed in a magnetic field.

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## Origin of Larmor theorem^{}

First recorded in 1920–25; see origin at Larmor precession

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Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018