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ABCDEFGHIJKLMNOPQRSTUVWXYZ
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W-4
W/B
w.b.
W boson
w.c.
w/d
w/o
w.o.b.
W particle
W3
W3C
W8
W8ING
wa-wa
WAAAF (1)
WAAAF (2)
WAAC (1)
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W particle
W particle (plural W particles)


noun 
Definition:
 
elementary particle: an elementary particle with a relatively large mass and a positive or negative charge, believed to mediate weak interactions between other particles in which the charges on the particles change
Encarta® World English Dictionary [World English Edition] © & (P)2008 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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