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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
Historical Examples
  • hydrocyanic-acid gas is effective in destroying all animal life in buildings.

    House Rats and Mice David E. Lantz
  • Gabriel jerked up his revolver, as he ran, the terrible weapon shooting bullets charged with hydrocyanic-acid gas.

    The Air Trust George Allan England
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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