/ Dictionary / Index T tautomerize: Meaning and Definition of Find definitions for: tau•tom•er•ize Pronunciation: (tô-tom'u-rīz"), [key] — v., -ized, -iz•ing. —v.i. to undergo tautomerism. —v.t. to cause to undergo tautomerism. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tautomerism tautonym Related Content Daily Word Quiz: perspicacious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language