/ Dictionary / Index T toxicology: Meaning and Definition of Find definitions for: tox•i•col•o•gy Pronunciation: (tok"si-kol'u-jē), [key] — n. the science dealing with the effects, antidotes, detection, etc., of poisons. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: toxicology (Thesaurus) toxicol. toxicosis Related Content Daily Word Quiz: philtrum Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language