trianion
nounEtymology From tri- + anion.
1
Chemistry, Natural sciences, Physical sciences An anion that has three negative charges
- In fact, very little of the phosphate trianion,P0₄⁻³, is produced in the simple ionization process.1974, John H. Block, Inorganic medicinal and pharmaceutical chemistry, Lea & Febiger, page 127:
- Derived terms
- trianionic