Norethindrone

//nɔɹˈɛθ.ɪnˌdɹoʊn// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    US form of norethisterone. US, alt-of, uncountable
  2. 2
    a synthetic progestational hormone (trade name Norlutin) used in oral contraceptives and to treat endometriosis wordnet

Etymology

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

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