noun
muon
An elementary particle similar to an electron but with greater mass. Used in physics contexts.
ミュー粒子は電子の約200倍の質量を持つ。
A muon has about 200 times the mass of an electron.
宇宙線の中にはミュー粒子が含まれている。
Cosmic rays contain muons.
Electron; a lighter elementary particle. Muons are heavier and unstable.
Elementary particle; a broader category that includes muons, electrons, and quarks.
From English 'muon' (from Greek letter μ) + Japanese 粒子 (particle).