subatomic particle

Từ điển WordNet v3.1 - WordNet Dictionary

noun

a body having finite mass and internal structure but negligible dimensions
• Syn:
particle
• Hypernyms:
body
• Hyponyms:
virion, alpha particle, beta particle, boson, deuteron,
elementary particle, fundamental particle, fermion, ion, magnetic monopole, micelle,
prion, virino, scintilla, superstring, thermion