norethindrone

[ nawr-eth-in-drohn ]

noun

, Pharmacology.

1. an orally active progestin, C 2 0 H 2 6 O 2 , used as a progesterone, especially as an oral contraceptive in combination with an estrogen.

Word History and Origins

Origin of norethindrone¹

By shortening and alteration of parts of its chemical name

Example Sentences

Both norethindrone and norethynodrel provided synthetic counterparts of progesterone that overcame that limitation.

From Washington Post

A few months later, the team synthesized a hormone known as norethindrone.

From Los Angeles Times

He developed a synthetic molecule called norethindrone, the effects of which simulated, in stronger form, those of progesterone.

From Time

But women using estrogen with norethindrone or desogesterel at certain doses, for example, had double the risk of both complications compared to non-users.

From Reuters