/ Dictionary / Index S scleroprotein: Meaning and Definition of Find definitions for: scle•ro•pro•tein Pronunciation: (sklēr"u-prō'tēn, -tē-in), [key] — n. Biochem. protein that is fibrous and insoluble in water, serving a protective or supportive function in the body. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: scleroprotein (Thesaurus) sclerophylly Scleroscope Related Content Daily Word Quiz: paradox Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language