T-quark
noun, Physics.
1.
top quark.
noun, Physics.
1.
a heavy quark having electric charge 2/3 times the elementary charge.
top quark
(tŏp)
A quark with a charge of +2/3. Its mass is larger than that of all the other quarks and is about 360,000 times that of the electron. See Table at subatomic particle.
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