Tritoxide

1 definition found

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

  Trioxide \Tri*ox"ide\, n. [Pref. tri- + oxide.] (Chem.)
     An oxide containing three atoms of oxygen; as, sulphur
     trioxide, {SO3}; -- formerly called {tritoxide}.
     [1913 Webster]