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bottom quark definition

bottom quark

Particle Physics a type of quark with a mass of c. 4.7 to 5.3 GeV/c, a negative charge that is the charge of an electron, zero charm, and zero strangeness

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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