|dīˌsī|an+ noun
also di·cy·an·o·diamide (|)dī|sīə(ˌ)nō+
( -s )
Etymology: International Scientific Vocabulary di- + cyan- + diamide
: a colorless crystalline water-soluble compound H 2 NC( = NH)NHCN formed by polymerization of cyanamide and used chiefly in making melamine and guanidine — called also cyanoguanidine