English

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Etymology

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From post-classical Latin placentalis, corresponding to placenta +‎ -al.

Adjective

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placental (not comparable)

  1. Of or pertaining to the placenta. [from 18th c.]
  2. (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.

Derived terms

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Translations

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Noun

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placental (plural placentals)

  1. Any animal that is a member of the Placentalia

Translations

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Interlingua

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Adjective

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placental (not comparable)

  1. placental
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