Medical Dictionary

benzalkonium chloride

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

Medical Definition of benzalkonium chloride

  1. :  a white or yellowish white mixture of chloride salts obtained as a bitter aromatic powder or gelatinous pieces that is used as an antiseptic and germicide—see zephiran


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