Uran-ocher

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Uran-ocher \U"ran-o`cher\, Uran-ochre \U"ran-o`chre\, n. [Cf. F.
     uranochre.] (Min.)
     (a) A yellow, earthy incrustation, consisting essentially of
         the oxide of uranium, but more or less impure.
         [1913 Webster] Uranographic