Word.ws English Dictionary

prolactin

/pɹoʊˈlæktɪn/

prolactin noun: a peptide gonadotrophic hormone secreted by the pituitary gland; it stimulates growth of the mammary glands and lactation in females.

prolactin: clear plastic feeding bottle on red table
Photo by Jaye Haych on Unsplash

Noun

prolactin (usually uncountable, plural prolactins)

  1. (usually) A peptide gonadotrophic hormone secreted by the pituitary gland; it stimulates growth of the mammary glands and lactation in females.
    • Men get a dose of the hormone prolactin after orgasm and this acts as a sedative.2019, Sara Pascoe, Sex Power Money
    Synonyms:
    lactotropin, luteotropic hormone, luteotropin, mammotropin

prolactin meaning in Tamil and Indonesian

prolactin in Tamil

பால் சுரப்பு இயக்குநீர், பால்சுரப்பு ஊக்கி இயக்குநீர், புரோலேக்ட்டின்

prolactin in Indonesian

hormone
laktogen

Synonyms of prolactin

Forms of prolactin

pluralprolactins

Origin of prolactin

From pro- (from Ancient Greek πρό (pró, “before”)) + lact- (variation of lacto-, from Latin lac (“milk”)) + -in (modification of -ine).

Words formed from prolactin

Questions about prolactin

What does prolactin mean?
Prolactin means a peptide gonadotrophic hormone secreted by the pituitary gland; it stimulates growth of the mammary glands and lactation in females.
What is prolactin in Tamil?
Prolactin in Tamil is பால் சுரப்பு இயக்குநீர், பால்சுரப்பு ஊக்கி இயக்குநீர், புரோலேக்ட்டின். See Prolactin meaning in Tamil.
What part of speech is prolactin?
Prolactin is a noun.
How do you pronounce prolactin?
Prolactin is pronounced /pɹoʊˈlæktɪn/ (US).
What is the plural of prolactin?
The plural of prolactin is prolactins.

Words near prolactin in the dictionary

  1. Prokops
  2. Prokopyevsk
  3. prolabium
  4. prolabor
  5. prolabour
  6. prolactin
  7. prolactinemia
  8. prolactinemias
  9. prolactinoma
  10. prolactinomas
  11. prolactinomata

Source and license

Adapted from Wiktionary: prolactin (page history and authors); prolactin (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Naomi Persephone Amethyst (NaomiAmethyst)-prolactin.wav.

Cite this entry: “prolactin.” Word.ws, https://word.ws/prolactin. Based on Wiktionary, CC BY-SA 4.0.