The Collaborative International Dictionary
Erythrogen
Erythrogen \E*ryth"ro*gen\, n. [Gr. 'eryqro`s red + -gen.] (Chem.)
Carbon disulphide; -- so called from certain red compounds which it produces in combination with other substances.
A substance reddened by acids, which is supposed to be contained in flowers.
A crystalline substance obtained from diseased bile, which becomes blood-red when acted on by nitric acid or ammonia.
Wiktionary
erythrogen
n. 1 carbon disulphide 2 A substance reddened by acids, supposed to be contained in flowers. 3 A crystalline substance obtained from diseased bile, which becomes blood-red when acted on by nitric acid or ammonia.