pyridinium

noun

pyr·​i·​din·​i·​um

ˌpirəˈdinēəm

plural -s

: a univalent ion [C₅H₅NH]⁺ or radical C₅H₆N that is analogous to ammonium and is derived from pyridine

Word History

Etymology

New Latin, from International Scientific Vocabulary pyridine + New Latin -ium

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