D defs.my
Entry 5 senses Webster, 1913

Particle

/pär'-tək-əl/ · Par·ti·cle · IPA /ˈpɑɹtɪkəl/
01 n. A minute part or portion of matter; a morsel; a little bit; an atom; a jot; as, a particle of sand, of wood, of dust.
  1. 1.
    A minute part or portion of matter; a morsel; a little bit; an atom; a jot; as, a particle of sand, of wood, of dust.
    “The small size of atoms which unite To make the smallest particle of light.” — Blackmore.
  2. 2.
    Any very small portion or part; the smallest portion; as, he has not a particle of patriotism or virtue.
    “The houses had not given their commissioners authority in the least particle to recede.” Clarendon.
  3. 3.
    A crumb or little piece of consecrated host.(R. C. Ch.)
  4. 4.
    A subordinate word that is never inflected (a preposition, conjunction, interjection); or a word that can not be used except in compositions; as, ward in backward, ly in lovely.(Gram.)
  5. 5.
    An elementary particle.(Physics) See: elementary particle