norethindrone: Meaning and Definition of

nor•eth•in•drone

Pronunciation: (nôr-eth'in-drōn"), [key]
— n. Pharm.
  1. an orally active progestin, CHO, used as a progesterone, esp. as an oral contraceptive in combination with an estrogen.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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