SINCE 1828
ethynodiol diacetate
noun
eth·y·no·di·ol diacetate
| \ ˌeth-i-nō-ˈdī-ˌōl-, -ˌȯl-
\
\
Medical Definition of ethynodiol diacetate
: a synthetic progestogen C24H32O4 used especially in birth control pills usually in combination with an estrogen
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