/ Dictionary / Index P para-toluidine: Meaning and Definition of Find definitions for: par•a-to•lu•i•dine Pronunciation: (par"u-tu-l'i-dēn", -din), [key] — n. Chem. a white, flaky, lustrous, very slightly water-soluble solid, CHN, the para isomer of toluidine, used in the manufacture of dyes, in organic synthesis, and as a reagent in tests for nitrite, lignin, and phloroglucinol. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. parathyroid hormone paratransit Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language