/ Dictionary / Index P protective coloration: Meaning and Definition of Find definitions for: protec'tive colora'tion Pronunciation: [key] coloration or anything likened to it that eliminates or reduces visibility or conspicuousness. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. protective colloid protective custody Related Content Daily Word Quiz: careening Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language