nonoxynol-9
noun
no·nox·y·nol-9
nä-ˈnäk-si-ˌnȯl-ˈnīn 
nə-,
-ˌnōl-
: a spermicide used in contraceptive products
Cite this Entry
“Nonoxynol-9.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonoxynol-9. Accessed 19 Mar. 2025.
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nonoxynol-9
noun
no·nox·y·nol-9
nä-ˈnäk-sə-ˌnōl-ˈnīn
-ˌnȯl-
-ˌnȯl-
: 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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