noun pyr·i·din·i·um \ˌpirəˈdinēəm\

Definition of pyridinium



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

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Origin and Etymology of pyridinium

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

Seen and Heard

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to criticize severely

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