agno3

from The Collaborative International Dictionary of English v.0.48

Nitrate \Ni"trate\, n. [Cf. F. nitrate.] (Chem.)
   A salt of nitric acid.
   [1913 Webster]

   {Nitrate of silver}, a white crystalline salt ({AgNO3}), used
      in photography and as a cauterizing agent; -- called also
      {lunar caustic}, and more commonly called {silver
      nitrate}.
      [1913 Webster +PJC]