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Nov 30, 2009
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ax•i•on



Pronunciation: (ak'sē-on"), [key]
n. Physics.
a hypothetical particle having no charge, zero spin, and small mass: postulated in some forms of quantum chromodynamics.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

axiom of countabilityaxis
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