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# magneton

[ **mag**-ni-ton ]

## noun

,

*Physics.*- a unit of magnetic moment, used in measuring the magnetic moment of atomic and subatomic particles.

magneton

/ mæɡˈniːtɒn; ˈmæɡnɪˌtɒn /

## noun

- Also calledBohr magneton a unit of magnetic moment equal to
*eh*/4π*m*where*e*and*m*are the charge and mass of an electron and*h*is the Planck constant. It has the value 9.274 096 × 10^{–24}joule per tesla βmB - Also callednuclear magneton a similar unit equal to β
*m*/*M*where*M*is the mass of the proton

magneton

/ măg**′**nĭ-tŏn′ /

- A unit of the magnetic dipole moment of a molecular, atomic, or subatomic particle.
- ◆ The
**Bohr magneton**is defined as the magnetic dipole moment of the electron due to its inherent spin angular momentum, and is equal to 9.2741 × 10^{−24}joules per tesla. - Also called Landé factor
- ◆ The
**nuclear magneton**is defined using the electric charge and rest mass of the proton, and is equal to 5.0508 × 10^{−27}joules per tesla.

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## Word History and Origins

Origin of magneton^{1}

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## Word History and Origins

Origin of magneton^{1}

C20: from magnet + ( electr ) on

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## Example Sentences

It resolves itself into equally-charged electrons; we have also now the magneton, or atom of magnetism.

From Project Gutenberg

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