nonoxynol-9

noun

no·nox·y·nol-9 nä-ˈnäk-si-ˌnȯl-ˈnīn

nə-,

-ˌnōl-

: a spermicide used in contraceptive products

Word History

Etymology

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)

First Known Use

1967, in the meaning defined above

Time Traveler

The first known use of nonoxynol-9 was in 1967

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nonoxidizing

nonoxynol-9

nonpaid

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Style

“Nonoxynol-9.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/nonoxynol-9. Accessed 18 Mar. 2025.

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Medical Definition

nonoxynol-9

noun

no·nox·y·nol-9 nä-ˈnäk-sə-ˌnōl-ˈnīn

-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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nonoxynol-9

noun

Word History

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Medical Definition

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