- (a.) Having a valence of four; quadrivalent; tetravalent; sometimes, in a specific sense, having four hydroxyl groups, whether acid or basic.
- (a.) Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). tetratomic. Retrieved September 21, 2026, from http://smartdefine.org/tetratomic/definitions/2071616 |
| Chicago | Webster's. 2011. "tetratomic" http://smartdefine.org/tetratomic/definitions/2071616 (accessed September 21, 2026). |
| Harvard | Webster's 2011, tetratomic, Smart Define, viewed 21 September, 2026, <http://smartdefine.org/tetratomic/definitions/2071616>. |
| MLA | Webster's. "tetratomic" 28 May 2011. Web. 21 September 2026. <http://smartdefine.org/tetratomic/definitions/2071616> |