/ Dictionary / Index S SV 40: Meaning and Definition of Find definitions for: SV 40 Pronunciation: [key] simian virus 40; a virus of the Papovaviridae family, originally isolated from kidney cells of healthy monkeys, and important in recombinant DNA and cancer research. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Sv Svalbard Related Content Daily Word Quiz: spectral Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language