| -onium | <suffix> Suffix indicating a positively charged radical; e.g., ammonium, NH4+. (05 Mar 2000) |
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Synonyms : Compounds, Onium
| onium |
a term applied to a cation in which nitrogen has its maximum covalency, as in the ammonium ion NH4+. The compounds include betaines, cholines, and amine oxides.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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