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Definition of Onium
1. Noun. (chemistry) any cation derived by the addition of a proton to the hydride of any element of the nitrogen, chalcogen or halogen families ¹
2. Noun. (chemistry) any organic derivative of these compounds ¹
3. Noun. (physics) the bound pair of a particle and its antiparticle ¹
¹ Source: wiktionary.com
Definition of Onium
1. characterized by a complex cation [adj]
Lexicographical Neighbors of Onium
Literary usage of Onium
Below you will find example usage of this term as found in modern and/or classical literature:
1. Journal of the American Chemical Society by American Chemical Society (1915)
"If this is true of dissociation, it should also be true of combination. Dry HC1
adds slowly to dry NHa to form an onium salt. It should also add slowly to ..."