Try Our Apps


Fall Head Over Heels...

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. 2016.
Cite This Source
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
Cite This Source
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.
Cite This Source
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.
Cite This Source

Word of the Day

Difficulty index for hydrocyanic acid

Few English speakers likely know this word

Word Value for hydrocyanic

Scrabble Words With Friends

Nearby words for hydrocyanic-acid