| 单词 | ru-486 |
| 释义 | RU-486 in American English (ˌɑrˈjuˌfɔrˌeɪtiˈsɪks) noun a steroid drug, C29H35NO2, used orally primarily to terminate pregnancy at the earliest stage by blocking the reception of progesterone : also written RU486 or RU 486Word origin < R(oussel) U(CLAF), the manufacturerRU 486 in American Englishnoun an antigestational drug, in the form of a pill, that prevents a fertilized egg from attaching to the uterine wall by blocking the action of progesterone Word origin [1980; designation given the compound by its French manufacturer, Roussel UCLAF, Paris] |
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