Definition of superfetation in English:

superfetation

Syllabification: su·per·fe·ta·tion
Pronunciation: /ˌso͞opərˌfēˈtāSHən
 
/

noun

Medicine & Zoology
  • 1The occurrence of a second conception during pregnancy, giving rise to embryos of different ages in the uterus.
    More example sentences
    • The researchers believe the combination of embryonic diapause and superfetation may benefit females, regardless of their social system, by enabling cryptic polyandry - mating with more than one male.
    • When does are bred on multiple heat cycles, it may appear that superfetation has occurred due to fetal sizes and maturity differences.
    • The topmost photo at right is of an ovary of the species Poeciliopsis presidionis, which has superfetation and extensive maternal provisioning.
  • 1.1The accretion of one thing on another: the superfetation of ideas

Origin

early 17th century: from French superfétation or modern Latin superfetatio(n-), from Latin superfetare, from super- 'above' + fetus 'fetus'.

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Pronunciation: ˌkələrəˈto͝orə
noun
elaborate ornamentation of a vocal melody