What is "nitrourea"

n. (context inorganic chemistry English) The nitro derivative of urea NH₂-CONH-NO₂; it us used as an explosive and an oxidizing agent

Nitrourea, also known as N-nitrourea, 1-nitrourea, and N-nitrocarbamide, is a highly explosive compound synthesized by the nitration of urea or by way of a dehydration reaction of urea nitrate.