Tetratomic

1 definition found

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

  Tetratomic \Tet`ra*tom"ic\, a. [Tetra- + atomic.] (Chem.)
     (a) Consisting of four atoms; having four atoms in the
         molecule, as phosphorus and arsenic.
     (b) Having a valence of four; quadrivalent; tetravalent;
         sometimes, in a specific sense, having four hydroxyl
         groups, whether acid or basic.


         [1913 Webster]