/ Dictionary / Index A amyloidosis: Meaning and Definition of Find definitions for: am•y•loi•do•sis Pronunciation: (am"u-loi-dō'sis), [key] — pl. -ses a deposit of amyloid in tissues or organs. the diseased state resulting from this deposit. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: amyloidosis (Thesaurus) amyloid amylolysis Related Content Daily Word Quiz: immense Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language