elementary particle
noun /ˌelɪmentri ˈpɑːtɪkl/
/ˌelɪmentri ˈpɑːrtɪkl/
(also fundamental particle)
(physics- a very small piece of matter (= a substance), such as a quark, that does not contain within it any even smaller pieces of matter
compare subatomic particleTopics Physics and chemistryc2基本粒子