trichophytin
noun
tricho·phy·tin
| \ ˌtrik-ə-ˈfīt-ᵊn
, tri-ˈkäf-ət-ᵊn
\
, tri-ˈkäf-ət-ᵊn
\
Medical Definition of trichophytin
: an antigenic extract from cultures of fungi of the genus Trichophyton used especially formerly in a test for trichophytosis