norgestrel
/nɔːˈdʒɛstr(ə)l/Pharmacology
noun
A synthetic steroid hormone, C21H28O2, which has actions similar to those of progesterone and is used chiefly in oral contraceptives.
- Norgestrel occurs as a racemic mixture; the bioactive form is laevorotatory..
Origin
1960s. From nor- + -gest- + -rel, probably after norethynodrel.
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- past participial
- past participle