/ Dictionary / Index F furunculosis: Meaning and Definition of Find definitions for: fu•run•cu•lo•sis Pronunciation: (fyoo-rung"kyu-lō'sis), [key] — n. Pathol. the condition characterized by the presence of boils. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: furunculosis (Thesaurus) furuncle fury Related Content Daily Word Quiz: placid Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language