Breadcrumb Home > Dictionary Cite Meaning of top quark Find definitions for: top' quark" Pronunciation: [key] — Physics. Physics. a heavy quark having electric charge 2/3 times the elementary charge. Also called t quark, truth quark. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: top quark (Thesaurus) topple toprail Related Content Daily Word Quiz: verdant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language
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