/ Dictionary / Index S selectivity: Meaning and Definition of Find definitions for: se•lec•tiv•i•ty Pronunciation: (si-lek-tiv'i-tē, sē"lek-), [key] — n. the state or quality of being selective. the property of a circuit, instrument, or the like, by virtue of which it can distinguish oscillations of a particular frequency. the ability of a receiving set to receive any one of a band of frequencies or waves to the exclusion of others. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: selectivity (Thesaurus) selective transmission selectman Related Content Daily Word Quiz: diaphanous Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language