from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Containing four atoms.

from The Century Dictionary.

  • Same as tetradic.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Consisting of four atoms; having four atoms in the molecule, as phosphorus and arsenic.
  • adjective Having a valence of four; quadrivalent; tetravalent; sometimes, in a specific sense, having four hydroxyl groups, whether acid or basic.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective chemistry consisting of four atoms


Sorry, no etymologies found.


Help support Wordnik (and make this page ad-free) by adopting the word tetratomic.



Log in or sign up to get involved in the conversation. It's quick and easy.