/ Dictionary / Index T tiglic acid: Meaning and Definition of Find definitions for: tig'lic ac'id Pronunciation: [key] — Chem. Chem. a slightly water-soluble, poisonous compound, CHO, derived from croton oil and occurring as a thick, syrupy liquid or in colorless crystals. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tiglic tiglon Related Content Daily Word Quiz: cygnet Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language