/ Dictionary / Index T TC: Meaning and Definition of Find definitions for: TC Pronunciation: [key] Teachers College. Trusteeship Council (of the United Nations). Tc Pronunciation: [key] — Symbol, Chem. technetium. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: tc (Thesaurus) TBS TCA Related Content Daily Word Quiz: cacophony Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language