Rosolic

Ro`sol´ic

a.

1.

(Chem.) Pertaining to, or designating, a complex red dyestuff (called rosolic acid) which is analogous to rosaniline and aurin. It is produced by oxidizing a mixture of phenol and cresol, as a dark red amorphous mass, C20H16O3, which forms weak salts with bases, and stable ones with acids. Called also methyl aurin, and, formerly, corallin.

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.