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gentian violet

noun

  1. a dye derived from rosaniline, used in chemistry as an indicator and in medicine as a fungicide, bactericide, anthelmintic, and in the treatment of burns.


gentian violet

noun

  1. a greenish crystalline substance, obtained from rosaniline, that forms a violet solution in water, used as an indicator, antiseptic, and in the treatment of burns Also calledcrystal violet
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


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Word History and Origins

Origin of gentian violet1

First recorded in 1895–1900
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Example Sentences

Filter aniline gentian violet solution on to the section on the slide and allow to stain about twenty-five minutes.

They wont take cochineal: they wont take methylene blue; they wont take gentian violet: they wont take any coloring matter.

This has been well shown by Churchman in his work on Gentian Violet.

An aqueous or alcoholic solution of gentian violet or methyl violet is one of the best.

For more careful examination they may be crushed in a mixture of water and acetic acid, to which is added a little gentian violet.

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