onium

About 0.03 uses per million words.

Meaning

1. noun Any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families.
2. noun Any organic derivative of these compounds.
3. noun The bound pair of a particle and its antiparticle.

Similar words

uronium ammonium hydrazinium aminium ion aminium amidium ion lyonium halonium nitrenium protonation

Often followed by

salts salt compounds ions group ion groups compound cation cations