Definitions

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

  • n. Any of several steroid hormones produced chiefly by the ovaries and responsible for promoting estrus and the development and maintenance of female secondary sex characteristics.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of a group of steroids that are secreted by the ovaries and function as female sex hormones.

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

  • n. a general term for female steroid sex hormones that are secreted by the ovary and responsible for typical female sexual characteristics

Etymologies

estr(us) + -gen.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From estrus +‎ -gen (“a producer of”) (Wiktionary)

Examples

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