/ Dictionary / Index H histoplasmosis: Meaning and Definition of Find definitions for: his•to•plas•mo•sis Pronunciation: (his"tō-plaz-mō'sis), [key] — n. Pathol. an infectious disease of the reticuloendothelial system, caused by the fungus Histoplasma capsulatum and characterized by fever, anemia, and emaciation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. histophysiology historian Related Content Daily Word Quiz: resilient Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language