Placental

adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Any animal that is a member of the Placentalia
  2. 2
    mammals having a placenta; all mammals except monotremes and marsupials wordnet
Adjective
  1. 1
    Of or pertaining to the placenta. not-comparable
  2. 2
    Pertaining to the Placentalia, comprising those mammals not marsupials or monotremes. not-comparable

    "We do not know exactly how many placental lineages survived to leave descendants; most estimates are around ten."

Adjective
  1. 1
    pertaining to or having or occurring by means of a placenta wordnet

Synonyms

All synonyms
eutherianeutherianeutherian mammalplacental mammalplacentiferoustransplacental

Example

More examples

"The American Congress of Obstetricians and Gynecologists, in an opinion from its Committee on Obstetric Practice that was published on the ACOG website, said that instead of quickly clamping off the cord that connects the newborn to its placental sac, doctors should wait an additional 30 to 60 seconds. Those extra seconds for babies born at term are associated with an increase in hemoglobin levels in newborns, the statement said."

Etymology

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

Related phrases

placental abruption

More for "placental"

SynonymsSentencesPronunciationTranslate

Next best steps

Find stronger synonymsSee usage examplesCheck pronunciationBrowse writing guides

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.