par·ti·cle /ˈpɑrtɪkəl/
 粒子,顆粒;虛辭,小品詞
 par·ti·cle /ˈpɑrtɪkəl/ 名詞
 particle
 粒子;質點
 particle
 粒子 質點
 Par·ti·cle n.
 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. 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. R. C. Ch. (a) A crumb or little piece of consecrated host. (b) The smaller hosts distributed in the communion of the laity.
 4. Gram. 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.
 ◄ ►
 particle
      n 1: (nontechnical usage) a tiny piece of anything [syn: atom,
           molecule, corpuscle, mote, speck]
      2: a body having finite mass and internal structure but
         negligible dimensions
      3: a function word that can be used in English to form phrasal
         verbs