English version

elementary particle

From Longman Dictionary of Contemporary English
Related topics: Physics
elementary particleˌelementary ˈparticle noun [countable]  technicalHP one of the types of pieces of matter including electrons, protons, and neutrons that make up atoms
Examples from the Corpus
elementary particleIt was expected that a similar equation would govern the proton, the only other supposedly elementary particle known at that time.
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