superfetation

[ soo-per-fee-tey-shuh n ]
/ ˌsu pər fiˈteɪ ʃən /

noun

the fertilization of an ovum in a female mammal already pregnant.

Origin of superfetation

1595–1605; < Latin superfētāt(us) (past participle of superfētāre to conceive again while still pregnant, equivalent to super- super- + fētā(re) to breed (see fetus) + -tus past participle suffix) + -ion

OTHER WORDS FROM superfetation

su·per·fe·tate, adjective

Words nearby superfetation

superexcitation, superfamily, superfecta, superfecundation, superfemale, superfetation, superficial, superficial dorsal veins of clitoris, superficial dorsal veins of penis, superficial epigastric vein, superficial fascia

British Dictionary definitions for superfetation

superfetation
/ (ˌsuːpəfiːˈteɪʃən) /

noun

physiol the presence in the uterus of two fetuses developing from ova fertilized at different times

Derived forms of superfetation

superfetate (ˌsuːpəˈfiːteɪt), adjective

Word Origin for superfetation

C17 superfetate, from Latin superfētāre to fertilize when already pregnant, from super- + fētāre to impregnate, from fētus offspring