Cyanic Acid (HCNO) is a volatile liquid prepared by the distillation of urea. It is very unstable and if heated above zero degrees Celsius explodes with the formation of a polymer cyanmelide.
[n] - a colorless poisonous volatile liquid acid that hydrolyzes readily to ammonia and carbon dioxide
noun a colorless poisonous volatile liquid acid that hydrolyzes readily to ammonia and carbon dioxide
an unstable, poisonous, liquid acid, HOCN, isomeric with fulminic acid.