Progesterone

//pɹəˈd͡ʒɛstəɹəʊn// noun

noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A steroid hormone, secreted by the ovaries, whose function is to prepare the uterus for the implantation of a fertilized ovum and to maintain pregnancy. uncountable
  2. 2
    a steroid hormone (trade name Lipo-Lutin) produced in the ovary; prepares and maintains the uterus for pregnancy wordnet
  3. 3
    A synthetic version of the compound, used in contraceptive pills and other pharmaceutical products. countable

Synonyms

All synonyms
hormonelipo-lutinplacentone

Example

More examples

"Progesterone is a female hormone."

Etymology

From pro- + Latin gestāre (“to bear, to carry”) + -one.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.