param Chem.
(ˈpæræm)
[f. para-1 2 + amide.]
A synonym of dicyanodiamide, C2N2 (NH2)2, a white crystalline compound, a polymer of cyanamide.
| 1866–77 Watts Dict. Chem. IV. 350 Cyanamide changes into param when left to itself for a long time. 1877 Fownes' Chem. II. 106 Dicyanodiamide, C2N4H4 (Param). |