top quark
noun Physics.
a heavy quark having electric charge 2/3 times the elementary charge.
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What does “vacillate” mean?
Also called t quark, truth quark.
Origin of top quark
First recorded in 1975–80
Words nearby top quark
topper, toppie, topping, topping lift, topple, top quark, toprail, top round, tops, topsail, topsail schooner
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Scientific definitions for top 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.
The American Heritage® Science Dictionary
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