benzalkonium chloride
noun
benz·al·ko·ni·um chloride
ˌben-zal-ˌkō-nē-əm- 
: 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
Cite this Entry
“Benzalkonium chloride.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/benzalkonium%20chloride. Accessed 4 Nov. 2025.
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