/ Dictionary / Index T tetradynamous: Meaning and Definition of Find definitions for: tet•ra•dy•na•mous Pronunciation: (te"tru-dī'nu-mus), [key] — adj. Bot. having four long and two short stamens, as a cruciferous flower. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. tetradymite tetraethyl Related Content Daily Word Quiz: philately Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language