Definify.com
Webster 1913 Edition
Hematoidin
Hemˊa-toid′in
,Noun.
(Physiol. Chem.)
A crystalline or amorphous pigment, free from iron, formed from hematin in old blood stains, and in old hemorrhages in the body. It resembles bilirubin. When present in the corpora lutea it is called
haemolutein
.