Meaning of “particle” in the English Dictionary

"particle" in British English

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uk /ˈpɑː.tɪ.kəl/ us /ˈpɑːr.t̬ə.kəl/

particle noun (GRAMMAR)

[ C ] a word or a part of a word that has a grammatical purpose but often has little or no meaning:

In the sentence "I tidied up the room", the adverb "up" is a particle.

More examples

  • A phrasal verb is a verb consisting of a verb plus a particle.
  • He often comes out with the wrong particle.

particle noun (SMALL PIECE)

C2 [ C ] an extremely small piece of matter:

Dust particles must have got into the motor.
Electrons are atomic particles.

[ S ] a very small amount of something:

She wouldn't give me even the slightest particle of information about what she'd been doing.

(Definition of “particle” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"particle" in American English

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particlenoun [ C ]

us /ˈpɑr·t̬ɪ·kəl/

an extremely small piece of something:

dust particles

physics A particle is also any of the smallest pieces of matter that make up atoms or the parts of atoms.

(Definition of “particle” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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