nonoxynol-9

noun no·nox·y·nol-9 \ nä-ˈnäk-si-ˌnȯl-ˈnīn , nə- , -ˌnōl- \

Definition of nonoxynol-9

: a spermicide used in contraceptive products

Origin and Etymology of nonoxynol-9

nonyl (the radical C9H19) + oxy- + phenol + 9 (from the fact that the compounds it contains have an average of nine ethylene oxide groups per molecule)


Medical Dictionary

nonoxynol-9

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

medical 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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