norethisterone en · NOUN
Pronunciation
- /nɔː.ɹɛˈθɪ.stə.ɹəʊn/ (Received-Pronunciation)
- /ˌnɔɹ.əˈθɪ.stəˌɹoʊn/ (General-American)
Etymology
From nor- + ethisterone.
Meanings
- (uncountable) A synthetic steroid hormone, 19-nor-17α-ethynyltestosterone (C₂₀H₂₆O₂), which has actions similar to those of progesterone and is used chiefly for contraception.
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| norethindrone | US, alternative | lexicographic |