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