ELEMENTARY PARTICLE


Meaning of ELEMENTARY PARTICLE in English

ˌelementary ˈparticle BrE AmE noun [countable]

technical one of the types of pieces of matter including ↑ electron s , ↑ proton s , and ↑ neutron s that make up atoms

Longman Dictionary of Contemporary English.      Longman - Словарь современного английского языка.