Dictionary entry

Cœrulignone

Webster's Dictionary 1913

Cœ′ru‐lig″none (?), n. [L. coeruleus cerulean + lignum wood + E. quinone.] (Chem.) A bluish violet, crystalline substance obtained in the purification of crude wood vinegar. It is regarded as a complex quinone derivative of diphenyl; — called also cedriret.