Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

embryonic membrane

noun

Definition of embryonic membrane

: a structure (such as the amnion) that derives from the fertilized ovum but does not form a part of the embryo

First Known Use of embryonic membrane

1947

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

embryonic membrane

noun

medical Definition of embryonic membrane

: a structure (as the amnion) that derives from the fertilized ovum but does not form a part of the embryo

Seen and Heard

What made you want to look up embryonic membrane? Please tell us where you read or heard it (including the quote, if possible).

show hide

Love words? Need even more definitions?

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

WORD OF THE DAY

volatile

play

subject to rapid or unexpected change

Get Word of the Day daily email!

TRENDING NOW

  1. hogwash 'nonsense, balderdash'

  2. probity 'adherence to the highest principles and ideals'

  3. sequacious 'intellectually servile'

  4. inadmissible 'not capable of being allowed'

  5. oligarch, pejorative 'a member a government in which a small group exercises control especially for corrupt and selfish purposes'

SEE ALL

BROWSE DICTIONARY

embryonic membrane

Test Your Vocabulary

The Eponym Quiz

  • rubens-painting
  • Which is the best synonym of bowdlerize?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

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

Words at Play

Ask the Editors

Word Games