levonorgestrel
/ˌliːvəʊnɔːˈdʒestrəl/noun
mass noun
- Biochemistry a synthetic steroid hormone which has a similar effect to progesterone and is used in some contraceptive pills【生化】左旋18-甲基炔诺酮, 乙基羟基二降孕甾烯炔酮。
词源
1970s: from LEVO- (it being a laevorotatory isomer) + norgestrel, a synthetic steroid hormone.