nonoxynol-9


no·nox·y·nol–9

noun
\nä-ˈnäk-sə-ˌnōl-ˈnīn, -ˌnl-\

Definition of NONOXYNOL-9

: 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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