placental

C2 Topic:Describing Qualities

US /pləˈsɛntəl/ UK /pləˈsentəl/ See IPA manual

Freq #63386

Meanings

1

adj
relating to, supplied through, or possessing a placenta

The placental tissues transfer oxygen and nutrients between mother and fetus.
2

noun
a mammal of the crown group Placentalia, conventionally contrasted with marsupials and monotremes

Humans, bats, whales, and rodents are all placentals.

Thesaurus

Synonyms

1 adj · relating to, supplied... placenta-related

2 noun · a mammal of the crown group... placental mammaleutherian

Opposites

marsupialmonotreme

Word family

Derived forms aplacentalnonplacentaltransplacental

Related forms placentaPlacentaliaEutheriamammal

Appears in

Phrases (1)

See all

placental mammal
a mammal whose young develop before birth with nourishment through a placenta

Adjective + noun

Etymology

From post-classical Latin placentalis, formed from placenta + -al. Placenta comes from Latin for a flat cake, applied anatomically to the organ's shape. Placental mammal is the traditional term for the living crown group Placentalia, although marsupials also form placentas.

Topics

Describing Qualities Word Formation & Derivatives

External links

# placental

**Type:** Word
**Level:** C2
**Part of speech:** adj, noun
**IPA (US):** /pləˈsɛntəl/
**IPA (UK):** /pləˈsentəl/
**Frequency rank:** 63386

## Meanings
1. relating to, supplied through, or possessing a placenta
2. a mammal of the crown group Placentalia, conventionally contrasted with marsupials and monotremes

## Examples
- The placental tissues transfer oxygen and nutrients between mother and fetus.
- Humans, bats, whales, and rodents are all placentals.

## Synonyms
- placental mammal
- eutherian

## Antonyms
- marsupial
- monotreme

## Derived Forms
- aplacental
- nonplacental
- transplacental

## Related Forms
- placenta
- Placentalia
- Eutheria
- mammal

## Etymology
From post-classical Latin placentalis, formed from placenta + -al. Placenta comes from Latin for a flat cake, applied anatomically to the organ's shape. Placental mammal is the traditional term for the living crown group Placentalia, although marsupials also form placentas.

## Topics
- Describing Qualities
- Word Formation & Derivatives

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