Webster’s Revised Unabridged Dictionary · 1913
Rubian
Ru′bi·an (rṳ′bĭ·an), n. [L. rubia madder, fr. rubeus red.] (Chem.) One of several color-producing glycosides found in madder root.
Webster’s Revised Unabridged Dictionary · 1913
Ru′bi·an (rṳ′bĭ·an), n. [L. rubia madder, fr. rubeus red.] (Chem.) One of several color-producing glycosides found in madder root.