/ Dictionary / Index S sporicide: Meaning and Definition of Find definitions for: spo•ri•cide Pronunciation: (spôr'u-sīd", spōr'-), [key] — n. a substance or preparation for killing spores. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. spori- sporiferous Related Content Daily Word Quiz: menagerie Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language