norgestrel
nounUK /nɔːˈd͡ʒɛ.stɹl̩/ · US /nɔɹˈd͡ʒɛ.stɹəl/
Etymology From nor- + -gestr- (“estrogen”) + e(thy)l.
1
Medicine, Pharmacology, Sciences A synthetic progestogen C₂₁H₂₈O₂ having two optically active forms of which the biologically active levorotatory form is used in birth control pills.
- Derived terms
- levonorgestrel, dexnorgestrel