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hydrocyanic acid

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noun

a colorless, highly poisonous liquid, HCN, an aqueous solution of hydrogen cyanide.

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Also called prussic acid.

Origin of hydrocyanic acid

First recorded in 1810–20
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

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British Dictionary definitions for hydrocyanic acid

hydrocyanic acid
/ (ˌhaɪdrəʊsaɪˈænɪk) /

noun

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

Medical definitions for hydrocyanic acid

hydrocyanic acid
[ hī′drō-sī-ănĭk ]

n.

An aqueous solution of hydrogen cyanide that is a poisonous weak acid.prussic acid
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for hydrocyanic acid

hydrocyanic acid
[ hī′drō-sī-ănĭk ]

An aqueous solution of hydrogen cyanide, having a characteristic smell of bitter almonds. Also called prussic acid
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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