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1. the color produced by the shortest waves of the visible spectrum, beyond indigo, approximately 380 to 420 nm.
2. a dye or stain with this color.
crystal violet (gentian violet) (methyl violet) gentian violet; see under gentian.
meth·yl vi·o·let(meth'il vī'ō-let), [C.I. 42535]
Mixtures of tetra-, penta-, or pararosanilin that vary in shade of violet depending on the extent of methylation (designated R for reddish shades, B for bluish shades); the hexamethyl compound is known as crystal violet, the pentamenthyl compound as methyl violet 6B. methyl violet stains have many bacteriologic, histologic, and cytologic applications.
A stain used in histology and bacteriology.
See also: methyl