isoquinolinium.
The cation formed by protonation of an isoquinoline
Meaning & usage
The cation formed by protonation of an isoquinoline
Where this word comes from
Etymology tree Ancient Greek ῐ̓́σος (ĭ́sos)lbor. English iso- English quinine English -oline English quinoline Proto-Indo-European *-om Proto-Italic *-om Latin -umder. English -ium English isoquinolinium From iso- + quinolinium or isoquinoline + -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.