ammonium.
The univalent NH₄⁺ cation, derived by the protonation of ammonia
Meaning & usage
The univalent NH₄⁺ cation, derived by the protonation of ammonia
Any similar cation formed by replacing one or more hydrogen atoms with alkyl or aryl radicals
Where this word comes from
From New Latin ammōnium. Equivalent to ammonia + -ium.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.