norethindrone
[nawr-eth-in-drohn]
- an orally active progestin, C20H26O2, used as a progesterone, especially as an oral contraceptive in combination with an estrogen.
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Origin of norethindrone
by shortening and alteration of parts of its chemical name
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
norethindrone
(nôr-ĕth′ĭn-drōn′)- A progestational agent with some estrogenic and androgenic activity that is used as a substitute for progesterone and, in combination with an estrogen, as an oral contraceptive.
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The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.