- an unstable acid, CNOH, isomeric with cyanic acid, and known only in the form of its salts.
Origin of fulminic acid
First recorded in 1815–25
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- an unstable volatile acid known only in solution and in the form of its salts and esters. Formula: HONCCompare cyanic acid
C19: from Latin fulmen lightning