- An azo dye used as an agent to promote the healing of wounds and as a histological stain.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Examples from the Web for scarlet red
An excellent, scarlet-red freestone ripening the end of September.The Peaches of New York
U. P. Hedrick
In August the Syrian hibiscus is violet-red and the scarlet-red arbutus fruit hangs till Christmas.The Shores of the Adriatic
F. Hamilton Jackson
The scarlet-red color is first taken and must spread out in a like way, as the black in the other two marbles.The Progress of the Marbling Art
With alum, they took a scarlet-red; with sulphate of iron, a deep violet, or brown-red.
The muriatic deutoxide of tin produces no precipitate, but changes the colour to scarlet-red.