norethynodrel
/ˌnɔːrɛˈθʌɪnədrɛl/(also noretynodrel) Pharmacology
noun
A synthetic steroid hormone with actions similar to those of progesterone, used chiefly in combination with oestrogen in oral contraceptives; (17α)-17-hydroxy-19-norpregn-5(10)-en-20-yn-3-one, C20H26O2.
- Noretynodrel is the Recommended International Nonproprietary Name (rINN) of the compound..
Origin
1950s; earliest use found in Endocrinology. From nor- + ethyn- + -odrel (of unknown origin).