conservation of parity

World English Dictionary
conservation of parity
 
n
the principle that the parity of the total wave function describing a system of elementary particles is conserved. In fact it is not conserved in weak interactions

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Conservation of parity is always a great word to know.
So is bezoar. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
WordNet
conservation of parity

noun
(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system [syn: parity
WordNet® 3.0, © 2006 by Princeton University.
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