Ru`ber*y*thrin"ic (?), a. [L.
ruber red + erythrin.] (Chem.) Pertaining
to, or designating, an acid extracted from madder root. It is a yellow
crystalline substance from which alizarin is obtained.
Ru`ber*y*thrin"ic (?), a. [L.
ruber red + erythrin.] (Chem.) Pertaining
to, or designating, an acid extracted from madder root. It is a yellow
crystalline substance from which alizarin is obtained.