placental - Wiktionary, the free dictionary
From Wiktionary, the free dictionary
From post-classical Latin placentalis, corresponding to placenta + -al.
placental (not comparable)
- Of or pertaining to the placenta. [from 18th c.]
- (zoology) Pertaining to the Placentalia, comprising those mammals not marsupials or monotremes. [from 19th c.]
2022, Thomas Halliday, Otherlands, Penguin, published 2023, page 103:
We do not know exactly how many placental lineages survived to leave descendants; most estimates are around ten.
placental (plural placentals)
- Any animal that is a member of the Placentalia
placental (not comparable)