Up Quark Definition
ŭp
noun
A type of quark with a mass of c. 0.002 to 0.008 GeV/c2, a positive charge that is23 that of an electron, zero charm, and zero strangeness.
Webster's New World
Other Word Forms of Up Quark
Noun
Singular:
up quark
Plural:
up-quarksUp Quark Is Also Mentioned In
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