/duy suy'euhn duy am"uyd/ , n. Chem.
a white, crystalline, rather sparingly water-soluble solid, C 2 H 4 N 4 , produced from cyanamide by polymerization: used in the manufacture of plastics and pharmaceuticals.
Also, dicyanodiamide /duy suy'euh noh'duy am"uyd/ . Also called cyanoguanidine .
[ DI- 1 + CYAN(O)- 2 + DI- 1 + AMIDE ]