/ Dictionary / Index S secondary quality: Meaning and Definition of Find definitions for: sec'ondary qual"ity Pronunciation: [key] — Epistemology. Epistemology. one of the qualities attributed by the mind to an object perceived, such as color, temperature, or taste. Cf. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. secondary propyl alcohol secondary rainbow Related Content Daily Word Quiz: candor Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language