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单词 superfetation
释义

WordReference Random House Unabridged Dictionary of American English © 2024
su•per•fe•ta•tion  (so̅o̅′pər fē tāshən),USA pronunciation n. 
  1. Physiologythe fertilization of an ovum in a female mammal already pregnant.
  • 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
  • 1595–1605
su′per•fetate, adj. 

Collins Concise English Dictionary © HarperCollins Publishers::
superfetation /ˌsuːpəfiːˈteɪʃən/ n
  1. the presence in the uterus of two fetuses developing from ova fertilized at different times
Etymology: 17th Century superfetate, from Latin superfētāre to fertilize when already pregnant, from super- + fētāre to impregnate, from fētus offspring
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更新时间:2024/9/20 17:48:20