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hydrocyanic acid

a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.
Also called prussic acid.
Origin of hydrocyanic acid
1810-20 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for hydrocyanic acid
  • The toxic substance in chokecherry, hydrocyanic acid, is found principally in the leaves.
  • The seeds are toxic due to production of hydrocyanic acid in the leaves, stems and seeds.
  • The leaves can also contain varying concentrations of hydrocyanic acid, which is poisonous to livestock.
  • Workers acutely exposed to cyanogen, which dissociates into hydrogen cyanide and hydrocyanic acid, experienced nasal irritation.
British Dictionary definitions for hydrocyanic acid

hydrocyanic acid

another name for hydrogen cyanide, esp when in aqueous solution
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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hydrocyanic acid in Medicine

hydrocyanic acid hy·dro·cy·an·ic acid (hī'drō-sī-ān'ĭk)
An aqueous solution of hydrogen cyanide that is a poisonous weak acid. Also called prussic acid.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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hydrocyanic acid in Science
hydrocyanic acid
An aqueous solution of hydrogen cyanide, having a characteristic smell of bitter almonds. Also called prussic acid.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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