particle

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[edit] English

[edit] Etymology

From Middle French particule, and its source, Latin particula (small part, particle), diminutive of pars (part, piece).

[edit] Pronunciation

[edit] Noun

particle (plural particles)

  1. A very small piece of matter, a fragment; especially, the smallest possible part of something. [from 14th c.]
  2. (linguistics) A word that has a particular grammatical function but does not obviously belong to any particular part of speech, such as the word to in English infinitives or O as the vocative particle. [from 16th c.]
  3. (physics) Any of various physical objects making up the constituent parts of an atom; an elementary particle or subatomic particle. [from 19th c.]
    • 2011, Brian Cox & Jeff Forshaw, The Quantum Universe, Allen Lane 2011, p. 55:
      What, he asked himself, does quantum theory have to say about the familiar properties of particles such as position?

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