Medical Dictionary


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

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


July 27, 2015
yaw Hear it
to move off course or to alternate
Take a 3-minute break and test your skills!
How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears