Definition of norethynodrel in English:

norethynodrel

(also noretynodrel)

noun ˌnɔːrɛˈθʌɪnədrɛl

Pharmacology

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).

Definition of norethynodrel in US English:

norethynodrel

(also noretynodrel)

nounˌnɔːrɛˈθʌɪnədrɛl

Pharmacology

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).

单词	norethynodrel
释义	Definition of norethynodrel in English: norethynodrel (also noretynodrel) noun ˌnɔːrɛˈθʌɪnədrɛl Pharmacology 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). Definition of norethynodrel in US English: norethynodrel (also noretynodrel) nounˌnɔːrɛˈθʌɪnədrɛl Pharmacology 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).
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