superfetation

/ˌsupərfiˈteɪʃən/
IPA guide

Other forms: superfetations

Definitions of superfetation
  1. noun
    fertilization of a second ovum after a pregnancy has begun; results in two fetuses of different ages in the uterus at the same time
    “superfetation is normal in some animal species”
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    type of:
    fecundation, fertilisation, fertilization, impregnation
    creation by the physical union of male and female gametes; of sperm and ova in an animal or pollen and ovule in a plant
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