HYDRARGYRISM
Hy*drar"gy*rism, n. (Med.)
Defn: A diseased condition produced by poisoning with hydrargyrum, or mercury; mercurialism.
HYDRARGYRUM
Hy*drar"gy*rum, n. Etym: [NL., fr. L. hydrargyrus, Gr. (Chem.)
Defn: Quicksilver; mercury.
HYDRARTHROSIS
Hy`drar*thro"sis, n. Etym: [NL. See Hydro-, 1, and Arthrosis.] (Med.)
Defn: An effusion of watery liquid into the cavity of a joint.
HYDRASTINE
Hy*dras"tine, n. (Chem.)
Defn: An alkaloid, found in the rootstock of the golden seal (Hydrastis Canadensis), and extracted as a bitter, white, crystalline substance. It is used as a tonic and febrifuge.
HYDRA-TAINTED
Hy"dra-taint`ed, a.
Defn: Dipped in the gall of the fabulous hydra; poisonous; deadly.
Cowper.