/ Dictionary / Index S sexavalent: Meaning and Definition of Find definitions for: sex•a•va•lent Pronunciation: (sek"su-vā'lunt), [key] — adj. Chem. hexavalent. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sex appeal sex cell Related Content Daily Word Quiz: acquiesce Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language