/ Dictionary / Index T teratosis: Meaning and Definition of Find definitions for: ter•a•to•sis Pronunciation: (ter"u-tō'sis), [key] — n. Biol. teratism (def. 2). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. teratoma terbia Related Content Daily Word Quiz: censure Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language