Haematoin
enUKHae`mat´o`in
(hė`măt´ô`ĭn)| n. | 1.(Physiol. Chem.) 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 hæmatoporphyrin and hæmatolin, are formed in a similar manner. |