magneton /ˈmæɡnɪˌtɒn, mæɡˈniːtɒn/

• 1. 

  N 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 磁子 (Also called Bohr magneton symbol: β, symbol: m)