hematoporphyrin
noun
he·ma·to·por·phy·rin hi-ˌma-tə-ˈpȯr-fə-rən 
ˌhē-mə-tō-
: any of several isomeric porphyrins C34H38O6N4 that are hydrated derivatives of protoporphyrins
especially : the deep red crystalline pigment obtained by treating hematin or heme with acid
Word History
Etymology
International Scientific Vocabulary
First Known Use
1885, in the meaning defined above
Medical Definition
hematoporphyrin
noun
he·ma·to·por·phy·rin
variants or chiefly British haematoporphyrin
ˌhē-mət-ə-ˈpȯr-fə-rən also ˌhem-ət-
: any of several isomeric porphyrins C34H38O6N4 that are hydrated derivatives of protoporphyrins
especially : the deep red crystalline pigment obtained by treating hematin or heme with acid