superfecundation

/หŒsupษ™ษนหŒfikษ™nหˆdeษชสƒษ™n/

IPA: /S UW1 P ER0 F AH0 K AH1 N D EY1 SH AH0 N/

noun
  1. 1

    The fertilisation of two or more ova by sperm from separate acts of sexual intercourse, which can lead to twins with different fathers

Source: https://en.wiktionary.org/wiki/superfecundation