Search Result for "bottom_quark":
Wordnet 3.0

NOUN (1)

1. a quark with a charge of -1/3 and a mass about 10,000 times that of an electron;
[syn: bottom quark, beauty quark]



WordNet (r) 3.0 (2006):

bottom quark
    n 1: a quark with a charge of -1/3 and a mass about 10,000 times
         that of an electron [syn: bottom quark, beauty quark]