Haematoin
Pronunciation : H?*mat"o*in
Part of Speech : n.
Etymology : [H?mato- + -in.] (Physiol. Chem.)
Definition : Defn: A substance formed from the hematin of blood, by removal of the iron through the action of concentrated sulphuric acid. Two like bodies, called respectively h?matoporphyrin and h?matolin, are formed in a similar manner.
Source : Webster's Unabridged Dictionary, 1913