progestin

noun

pro·​ges·​tin prō-ˈje-stən How to pronounce progestin (audio)
: progestogen
especially : a synthetic progesterone (such as levonorgestrel)

Examples of progestin in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The ring releases estrogen and progestin, which are absorbed through the vaginal lining. Sarah Klein, Health, 28 May 2024 Free the Pill wanted the first over-the-counter oral contraceptive to be progestin only, a formulation sometimes called the mini pill. Margaret Talbot, The New Yorker, 3 Dec. 2024 The combination pill is made up of estrogen and progestin, whereas the progestin-only pill only contains progestin, per Healthline. Caroline C. Boyle, USA TODAY, 3 Sep. 2024 Most birth-control pills prescribed in the U.S. are a combination of two hormones, estrogen and progestin. Margaret Talbot, The New Yorker, 3 Dec. 2024 See all Example Sentences for progestin 

Word History

Etymology

progest(ational) + -in entry 1, originally as a name for progesterone

Note: The name was introduced by the American gynecologist and biochemist Willard M. Allen (1904-93) in "Physiology of the Corpus Luteum V. The Preparation and Some Chemical Properties of Progestin, a Hormone of the Corpus Luteum which Produces Progestational Proliferation," Amerian Journal of Physiology, vol. 92, issue 1 (February, 1930), pp. 174-88.

First Known Use

1945, in the meaning defined above

Time Traveler
The first known use of progestin was in 1945

Dictionary Entries Near progestin

Cite this Entry

“Progestin.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/progestin. Accessed 26 Jan. 2025.

Medical Definition

progestin

noun
pro·​ges·​tin prō-ˈjest-ən How to pronounce progestin (audio)
: progesterone
especially : a synthetic progesterone (as levonorgestrel)

More from Merriam-Webster on progestin

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