noun Etymology: lev- + norgestrel, a progestin Date: 1977 the levorotatory form of a synthetic progestin C 21 H 28 O 2 used especially in oral contraceptives
LEVONORGESTREL
Meaning of LEVONORGESTREL in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012