Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun superfetation

1 sense of superfetation

Sense 1
superfetation -- (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")
       => fertilization, fertilisation, fecundation, 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)