Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

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

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun chemistry A synthetic progestagen intended to mimic the effects of progesterone, often for contraceptive purposes.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun any of a group of steroid hormones that have the effect of progesterone

Etymologies

from The American Heritage® Dictionary of the English Language, 4th Edition

[pro– + gest(ation) + –in.]

Examples

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