noun benz·pyr·in·i·um \ˌbenz-pə-ˈri-nē-əm\

Definition of benzpyrinium



  1. :  the substituted pyridinium ion [C6H5CH2NC5H4OOCN(CH3)2] + derived by benzylation of dimethyl-carbamoyl-oxy-pyridinium; also :  a salt containing this radical (such as the bromide used to relieve postoperative urinary retention)

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Origin and Etymology of benzpyrinium

benz- + pyridinium

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