benzalkonium chloride(redirected from Benzalconium chloride)
Also found in: Medical, Encyclopedia.
A yellow-white powder prepared in an aqueous solution and used as a detergent, fungicide, bactericide, and spermicide.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.