'Isocyanic acid' definitions:

Definition of 'isocyanic acid'

From: WordNet
noun
An acid known only in the form of its esters

Definition of 'Isocyanic acid'

From: GCIDE
  • Isocyanic \I`so*cy*an"ic\, a. [Iso- + cyanic.] (Chem.) Designating an acid isomeric with cyanic acid. [1913 Webster]
  • Isocyanic acid, an acid metameric with cyanic acid, and resembling it in its salts. It is obtained as a colorless, mobile, unstable liquid by the heating cyanuric acid. Called technically carbimide. [1913 Webster]