noun Etymology: nor- + ethinyl + hydr- + -one (as in progesterone) Date: 1958 a synthetic progestational hormone C 20 H 26 O 2 used in birth control pills often in the form of its acetate
NORETHINDRONE
Meaning of NORETHINDRONE in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012