paracyanogen /,pærәsai'ænәdʒәn/ 📖 中文释义 仲氰, 多聚氰 📘 English Definition(英文释义) n. A polymeric modification of cyanogen, obtained as abrown or black amorphous residue by heating mercuric cyanide. ← paracutis P 字母词表 paracyclic ovulation →