/gwan"i deen', -din, gwah"ni-/ , n. Chem.
a colorless, crystalline, strongly alkaline, water-soluble solid, CH 5 N 3 , used chiefly in the manufacture of plastics, resins, rubber accelerators, and explosives. Also called carbamidine, iminourea .
[ 1860-65; GUAN(O) + -ID 3 + -INE 2 ]