noun benz·al·ko·ni·um \ˌben-zal-ˈkō-nē-əm\

Definition of benzalkonium



  1. :  a mixture of alkyl-benzyl-dimethyl-ammonium radicals C6H5CH2N(CH3)2R in which the alkyl groups range from C8H17 to C18H37

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Origin and Etymology of benzalkonium

benz- + alkyl + ammonium

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capable of being understood in two ways

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