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norethynodrel

[ nawr-uh-thahy-nuh-druhl, naw-reth-uh-nuh-drel ]

noun

, Pharmacology.
  1. a progestin, C 2 0 H 2 6 O 2 , used in combination with an estrogen in some oral contraceptives.


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Word History and Origins

Origin of norethynodrel1

1955–60; nor- + ethyn(yl) , components of 2 versions of its chemical name + -odrel, of uncertain derivation

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norethindroneno-return