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norethindrone

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noun nor·eth·in·drone \ˌnȯr-ˈe-thən-ˌdrōn\

Definition of norethindrone

  1. :  a synthetic progestational hormone C20H26O2 used in birth control pills often in the form of its acetate



Origin and Etymology of norethindrone

nor- + ethinyl + hydr- + -one (as in progesterone)


First Known Use: 1958


Medical Dictionary

norethindrone

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noun nor·eth·in·drone \nȯr-ˈeth-ən-ˌdrōn, ˌnȯr-eth-ˈin-\

Medical Definition of norethindrone

  1. :  a synthetic progestational hormone C20H26O2 used in birth control pills often in the form of its acetate C22H28O3—see loestrin, minastrin, ortho-novum




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