placentationPronunciation: /ˌplas(ə)nˈteɪʃ(ə)n/Definition of placentation noun [mass noun] Anatomy & Zoology the formation or arrangement of a placenta or placentae in a woman’s or female animal’s uterus. Botany the arrangement of the placenta or placentae in the ovary of a flower. placentation in other Oxford dictionaries Definition of placentation in the US English dictionary
