Medical Dictionary

nonoxynol–9

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noun no·nox·y·nol–9 \nä-ˈnäk-sə-ˌnōl-ˈnīn, -ˌnȯl-\

Medical Definition of nonoxynol–9

  1. :  a spermicide used in contraceptive products that consists of a mixture of compounds having the general formula C15H23(OCH2CH2)nOH with an average of nine ethylene oxide groups per molecule


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