Word.ws English Dictionary

norethindrone

US/nɔɹˈɛθ.ɪnˌdɹoʊn/

norethindrone is the US form of norethisterone.

Meaning of norethisterone

Noun

norethisterone (uncountable)

  1. A synthetic steroid hormone, 19-nor-17α-ethynyltestosterone (C₂₀H₂₆O₂), which has actions similar to those of progesterone and is used chiefly for contraception.

Origin of norethindrone

From nor- + ethyn(yl) + (hy)dr(oxy) + -one.

Questions about norethindrone

What is norethindrone the US form of?
Norethindrone is the US form of norethisterone.
How do you pronounce norethindrone?
Norethindrone is pronounced /nɔɹˈɛθ.ɪnˌdɹoʊn/ (US).

Words near norethindrone in the dictionary

  1. norepinephrinergic
  2. norepinephrines
  3. norepinephrinylation
  4. Nores
  5. norethandrolone
  6. norethindrone
  7. norethisterone
  8. norethynodrel
  9. Norette
  10. Noretti
  11. noretynodrel

Source and license

Adapted from Wiktionary: norethindrone (page history and authors); norethisterone (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “norethindrone.” Word.ws, https://word.ws/norethindrone. Based on Wiktionary, CC BY-SA 4.0.