A reddish brown or violet crystalline substance, C16H12O6, got from hematoxylin by partial oxidation, and regarded as analogous to the phthaleins.
Vogais: eaei
Consoantes: hmtn
hematin, haematin, haematoin, hematinon, hyemation, hematoidin, haemitin, humation, haematoidin, humanitian.