Origin of crystal violet
First recorded in 1890–95
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A dye derived from gentian violet that is used as a general biological stain, an acid-base indicator, and an agent against infection by bacteria, fungi, pinworms, and other parasites.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.