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Noun: particle  paa(r)-ti-kul
  1. (nontechnical usage) a tiny piece of anything
    - atom, molecule, corpuscle, mote, speck
     
  2. A body having finite mass and internal structure but negligible dimensions
    - subatomic particle
     
  3. A function word that can be used in English to form phrasal verbs

Derived forms: particles

Type of: body, closed-class word, function word, material, stuff

Encyclopedia: Particle