Word.ws English Dictionary

fraternal birth-order effect

fraternal birth-order effect is the alternative form of fraternal birth order effect.

Meaning of fraternal birth order effect

Noun

fraternal birth order effect (uncountable)

  1. The scientific observation that a man's statistical probability of being homosexual increases with the number of older brothers he has.
    • Thus the fraternal birth order effect is specific to male sexual orientation, and does not affect female sexual orientation.2008, Glenn Wilson, Qazi Rahman, Born Gay: The Psychobiology of Sex Orientation, Peter Owen, →ISBN, page 98

Questions about fraternal birth-order effect

What is fraternal birth-order effect the alternative form of?
Fraternal birth-order effect is the alternative form of fraternal birth order effect.

Words near fraternal birth-order effect in the dictionary

  1. frater-houses
  2. fraterculine
  3. frateries
  4. fraternal
  5. fraternal birth order effect
  6. fraternal birth-order effect
  7. fraternal nephew
  8. fraternal nephews
  9. fraternal niece
  10. fraternal nieces
  11. fraternalisation

Source and license

Adapted from Wiktionary: fraternal birth-order effect (page history and authors); fraternal birth order effect (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.

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