hydrargyrism

from The Collaborative International Dictionary of English v.0.48

Hydrargyrism \Hy*drar"gy*rism\ (h[-i]*dr[aum]r"j[i^]*r[i^]z'm),
   n. (Med.)
   A diseased condition produced by poisoning with hydrargyrum,
   or mercury; mercurialism.
   [1913 Webster]