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