Search Result for "subatomic particle":
Wordnet 3.0

NOUN (1)

1. a body having finite mass and internal structure but negligible dimensions;
[syn: particle, subatomic particle]



WordNet (r) 3.0 (2006):

subatomic particle
    n 1: a body having finite mass and internal structure but
         negligible dimensions [syn: particle, subatomic
         particle]