Search Result for "b-meson": 
Wordnet 3.0

NOUN (1)

1. exceedingly short-lived meson; 



The Collaborative International Dictionary of English v.0.48:

b-meson \b-meson\ n.
   1. an exceedingly short-lived meson.
      [WordNet 1.5]


WordNet (r) 3.0 (2006):

b-meson
    n 1: exceedingly short-lived meson