Implacentalia

noun plural

Im·​plac·​en·​ta·​lia (ˈ)im-ˌplas-ᵊn-ˈtā-lē-ə How to pronounce Implacentalia (audio)
in former classifications
: the monotremes and marsupials regarded as a systematic unit characterized by the absence or rudimentary development of a placenta

Dictionary Entries Near Implacentalia

Cite this Entry

“Implacentalia.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/Implacentalia. Accessed 3 Dec. 2022.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!


Commonly Confused Words Quiz

  • vector image of a face with thought expression
  • I went to the ______ store to buy a birthday card.
Name That Thing

You know what it looks like… but what is it called?

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ