superfecundation

UK:**UK and possibly other pronunciationsUK and possibly other pronunciations/ˌsuːpəˌfiːkənˈdeɪʃən/

US:USA pronunciation: respellingUSA pronunciation: respelling(so̅o̅′pər fē′kən dā′shən, -fek′ən-)



WordReference Random House Unabridged Dictionary of American English © 2026
su•per•fe•cun•da•tion  (so̅o̅′pər fē′kən dā′shən, -fek′ən-),USA pronunciation n. 
  1. Physiologythe fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.
  • super- + fecundation 1850–55

Collins Concise English Dictionary © HarperCollins Publishers::
superfecundation /ˌsuːpəˌfiːkənˈdeɪʃən/ n
  1. the fertilization of two or more ova, produced during the same menstrual cycle, by sperm ejaculated during two or more acts of sexual intercourse

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