Definition of superfecundation in English:

superfecundation

noun

Medicine Zoology
  • another term for superfetation
    • ‘The phenomenon, known as superfecundation, usually results in the second baby dying as the older gets better nourished in the womb.’
    • ‘A mother has had two non-twin children on the same day, due to a 1,000,000-1 phenomenon, known as superfecundation, where a woman conceives twice in the same month.’
    • ‘The scientific term describing fraternal twins by different fathers is heteropaternal superfecundation.’
    • ‘Traditionally, cases of superfecundation have been discovered by the starkly different appearances of twins.’
    • ‘Obviously, the twins resulting from superfecundation are dizygotic.’

Pronunciation:

superfecundation

/ˌso͞opərˌfekənˈdāSH(ə)n/