I`so*cy*an"ic (?), a. [Iso- + cyanic.] Chem.
Designating an acid isomeric with cyanic acid.
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.
© Webster 1913.