hg2cl2

1 definition found

hg2cl2 - Collaborative International Dictionary of English v.0.48 :

  Calomel \Cal"o*mel\ (k[a^]l"[-o]*m[e^]l), n. [Gr. kalo`s
     beautiful + me`las black. So called from its being white,
     though made from a black mixture of mercury and corrosive
     sublimate. Cf. F. calom['e]las.] (Chem.)
     Mild chloride of mercury, Hg2Cl2, a heavy, white or
     yellowish white substance, insoluble and tasteless, much used
     in medicine as a mercurial and purgative; mercurous chloride.
     It occurs native as the mineral horn quicksilver.
     [1913 Webster]