/ Dictionary / Index T triiodomethane: Meaning and Definition of Find definitions for: tri•i•o•do•meth•ane Pronunciation: (trī"ī-ō"dō-meth'ān, -ī-od"ō-), [key] — n. Chem. iodoform. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: triiodomethane (Thesaurus) trihydroxy triiodothyronine 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