| 单词 | bohr magneton |
| 释义 | Bohr magneton in British English (bɔː ˈmæɡnɪˌtɒn) noun another name for magneton magneton in British English (ˈmæɡnɪˌtɒn, mæɡˈniːtɒn) noun 1. Also called: Bohr magneton a unit of magnetic moment equal to eh/4πm 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 Symbol: β, mB 2. Also called: nuclear magneton a similar unit equal to βm/M where M is the mass of the proton Word origin C20: from magnet + (electr)onBohr magneton in American Englishnoun Physics a unit that is used to indicate the magnetic moment of the electron structure in an atom, equal to 9.27 × 10−21erg/gauss Also called: electronic Bohr magneton Word origin [1920–25; after N. bohr]This word is first recorded in the period 1920–25. Other words that entered Englishat around the same time include: Unknown Soldier, audio, follow-up, montage, ski jump |
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