superfecundation

[ soo-per-fee-kuh n-dey-shuh n, -fek-uh n- ]
/ ˌsu pərˌfi kənˈdeɪ ʃən, -ˌfɛk ən- /

noun

the fertilization of two or more ova discharged at the same ovulation by successive acts of sexual intercourse.

Origin of superfecundation

1850–55; super- + fecundation
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for superfecundation

superfecundation

/ (ˌsuːpəˌfiːkənˈdeɪʃən) /

noun

physiol the fertilization of two or more ova, produced during the same menstrual cycle, by sperm ejaculated during two or more acts of sexual intercourse
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012