noun
a synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosis
• Syn: ↑norethindrone acetate, ↑norethandrolone, ↑Norlutin
• Usage Domain: ↑trade name (for: ↑Norlutin)
• Hypernyms: ↑progestin, ↑progestogen
• Substance Holonyms:
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\\nȯrˈethə̇nˌdrōn, ˌnȯrethˈīn-\ noun (-s)Etymology: nor- + ethinyl + hydr- + -one (as in progesterone)
: a synthetic progestational hormone C20H26O2 used in oral contraceptives often in the form of its acetate
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/nawr eth"in drohn'/, n. Pharm.
an orally active progestin, C20H26O2, used as a progesterone, esp. as an oral contraceptive in combination with an estrogen.
[by shortening and alter. of parts of its chemical name]
Useful english dictionary. 2012.