top quark
noun Physics.
a heavy quark having electric charge 2/3 times the elementary charge.
Also called
t quark,
truth quark.
Origin of top quark
First recorded in 1975–80
Words nearby top quark
top kill,
top loader,
top management,
top off,
top out,
top quark,
top round,
top sergeant,
top slicing,
top ten,
top timber
Scientific definitions for t quark
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.