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English definition of “particle”

particle

noun [C]     /ˈpɑːtɪkl/
a very small piece of something: particles of dust Words meaning small pieces and amountsPhysics in general
a very small part of an atom , for example an electron or a proton Atoms, molecules and sub-atomic particles
(Definition of particle noun from the Cambridge Learner's Dictionary © Cambridge University Press)

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