su·per·fe·ta·tion (s  p r-f -t  shn)n. Formation or development of a second fetus when one is already present in the uterus, occurring normally in some animal species. |
superfetation [ˌsuːpəfiːˈteɪʃən]
n
(Life Sciences & Allied Applications / Physiology) Physiol the presence in the uterus of two fetuses developing from ova fertilized at different times
[C17 superfetate, from Latin superfētāre to fertilize when already pregnant, from super- + fētāre to impregnate, from fētus offspring]
superfetate [ˌsuːpəˈfiːteɪt] adj
superfetation
a conception occurring after the onset of a pregnancy from an earlier conception.
See also: Birtha conception occurring during a pregnancy from an earlier conception.
See also: Biology
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 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" 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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