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  1. Oxford Dictionary

    superfetation

    • IPA[ˌsuːpəfiːˈteɪʃn]

    英式

    • n.
      the occurrence of a second conception during pregnancy, giving rise to embryos of different ages in the uterus；the accretion of one thing on another

    • noun: superfetation

    • 釋義

    名詞

    • 1. the occurrence of a second conception during pregnancy, giving rise to embryos of different ages in the uterus this is an example of superfetation and of ovulation during pregnancy
    • ▪ the accretion of one thing on another the superfetation of ideas