/ Dictionary / Index T thenardite: Meaning and Definition of Find definitions for: the•nard•ite Pronunciation: (thu-när'dīt, tu-), [key] — n. a mineral, sodium sulfate, NaSO, occurring in white crystals and masses, esp. in salt lakes and arid regions. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. thenar Thenard's blue Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language