Definition of "microbicide" [mi•crob•i•cide]

• Any substance that is harmful to microorganisms (noun)

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• "A microbicide is a product used vaginally to prevent infection by"
• "Advance on AIDS Raises Questions as Well as Joy news in years was released here last week at a world conference on the disease: a vaginal gel, called a microbicide, that can be used without a"
• "A microbicide is a gel or a foam or a cream, vaginally applied for a period of time before and again after intercourse, which can prevent transmission of the virus."