[ proh-jes-tin ]
/ proʊˈdʒɛs tɪn /

noun Pharmacology.

any substance having progesteronelike activity.

Nearby words

  1. progeny,
  2. progeria,
  3. progeroid,
  4. progestational,
  5. progesterone,
  6. progestogen,
  7. proglossis,
  8. proglottid,
  9. proglottis,
  10. prognathic

Origin of progestin

First recorded in 1925–30; pro-1 + gest(ation) + -in2

Also called progestogen. Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Medicine definitions for progestin


[ prō-jĕstĭn ]


A natural or synthetic progestational substance that mimics some or all of the actions of progesterone.
A crude hormone of the corpus luteum from which progesterone can be isolated in pure form. No longer in technical use.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.