adjective
- consisting of three atoms
Usage: chemistry
Examples
- Water is a triatomic molecule composed of two hydrogen atoms and one oxygen atom.
- Ozone is a triatomic form of oxygen with the formula O₃.
- The triatomic structure of carbon dioxide includes one carbon and two oxygen atoms.
- Scientists studied the triatomic gas molecules in the upper atmosphere.
- The triatomic compound showed different properties than its diatomic counterpart.
- Each triatomic molecule in the sample contained exactly three bonded atoms.