What does "norethisterone" mean?

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

What is a synonym for "norethisterone"?

Common synonyms include: norethindrone.

How do you pronounce "norethisterone"?

Pronounced //nɔː.ɹɛˈθɪ.stə.ɹəʊn//.

Norethisterone

//nɔː.ɹɛˈθɪ.stə.ɹəʊn// noun

noun ·Rare ·Advanced level

Definitions

Noun

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

Synonyms

All synonyms

norethindrone

Etymology

From nor- + ethisterone.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.