corallin

Definitions

noun (Chem.) A yellow coal-tar dyestuff which probably consists chiefly of rosolic acid. See aurin, and Rosolic acid under rosolic.
noun a red dyestuff which is obtained by treating aurin or rosolic acid with ammonia; -- called also pæonin.
noun See Aurin.

So named in allusion to the color of red corallin, from Latin corallium ("coral").

Help support Wordnik (and make this page ad-free) by adopting the word corallin.

Weigh out rosolic acid (corallin), 0.5 gramme, and dissolve it in 80 per cent. alcohol, 100 c.c. Keep this as a stock solution.

The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.
Without previously washing in water treat the film with three or four successive applications of corallin (Rosolic acid) solution.

The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged.
They had gone a good two miles before Mary’s patroness broke the silence with, "Nothing plumb stampedes my temper like that Rodney outfit — old Sally buckin’ an’ pitchin’ in her rockin’-chair same as if she was breakin’ a bronco, an’ that Eudory always corallin’, deceivin’, and jiltin’ one outfit of men after another.

Judith of the Plains Marie Manning