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nonoxynol-9

noun
no·​nox·​y·​nol-9 | \ nä-ˈnäk-si-ˌnȯl-ˈnīn How to pronounce nonoxynol-9 (audio) , nə-, -ˌnōl-\

Definition of nonoxynol-9

: a spermicide used in contraceptive products

First Known Use of nonoxynol-9

1967, in the meaning defined above

History and Etymology for 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)

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More Definitions for nonoxynol-9

nonoxynol-9

noun
no·​nox·​y·​nol-9 | \ nä-ˈnäk-sə-ˌnōl-ˈnīn How to pronounce nonoxynol-9 (audio) , -ˌnȯl- How to pronounce nonoxynol-9 (audio) \

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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