Dictionary.net

• The coloring principle of logwood. It is obtained as a yellow crystalline substance, C16H14O6, with a sweetish taste. Formerly called also hematin.

2010 - New Age Dictionary Database
By Oddity Software

• The coloring principle of logwood. It is obtained as a yellow crystalline substance, C16H14O6, with a sweetish taste. Formerly called also hematin.

1913 - Webster's Revised Unabridged Dictionary
By Noah Webster.