Haematoxylin
Pronunciation : H?m`a*tox"y*lin
Part of Speech : n.
Etymology : [See H?matoxylon.] (Chem.)
Definition : Defn: The coloring principle of logwood. It is obtained as a yellow crystalline substance, C16H14O6, with a sweetish taste. Formerly called also hematin.
Source : Webster's Unabridged Dictionary, 1913