zinc vitriol

zinc sulfate

noun Chemistry.
a colorless, crystalline, water-soluble powder, ZnSO 4 ⋅7H 2 O, used for preserving skins and wood, in the electrodeposition of zinc, in the bleaching of paper, as a mordant in calico printing, and in medicine as an astringent, styptic, and emetic.
Also called white vitriol, zinc vitriol.


Origin:
1850–55

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Science Dictionary
zinc sulfate  
A colorless crystalline compound used especially in hydrated form as an emetic and astringent, as a fungicide, and in wood and skin preservatives. Chemical formula: ZnSO4.
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