Definition of histoplasmin in English:

histoplasmin

Pronunciation /ˌhɪstə(ʊ)ˈplazmɪn/

noun

Medicine
  • A preparation of antigen from the fungus Histoplasma capsulatum, used in skin testing for histoplasmosis which results from exposure to the fungus.

Origin

1940s; earliest use found in Agatha Christie (1890–1976), writer. From scientific Latin Histoplasma + -in.