cyanic acid

noun Chemistry.

an unstable, poisonous, liquid acid, HOCN, isomeric with fulminic acid.

Origin of cyanic acid

First recorded in 1825–35 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for cyanic acid

cyanic acid

/ (saɪˈænɪk) /


a colourless poisonous volatile liquid acid that hydrolyses readily to ammonia and carbon dioxide. Formula: HOCNCompare isocyanic acid, fulminic acid
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

Science definitions for cyanic acid

cyanic acid

[ sī-ănĭk ]

A poisonous, unstable, and highly volatile organic acid used to prepare cyanates. Chemical formula: HOCN.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.