tetratomic Meaning, Definition & Usage

Tet`ra*tom"ic adjective
Etymology
Tetra- + atomic.
Definitions
  1. (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.

Webster 1913