plasma membrane

noun

Definition of plasma membrane 

: a semipermeable limiting layer of cell protoplasm consisting of a fluid phospholipid bilayer with intercalated proteins

called also cell membrane

— see cell illustration

First Known Use of plasma membrane

1893, in the meaning defined above

Keep scrolling for more

Learn More about plasma membrane

Share plasma membrane

Statistics for plasma membrane

Look-up Popularity

Time Traveler for plasma membrane

The first known use of plasma membrane was in 1893

See more words from the same year

Keep scrolling for more

More Definitions for plasma membrane

plasma membrane

noun

Medical Definition of plasma membrane 

: a semipermeable limiting layer of cell protoplasm consisting of a fluid phospholipid bilayer with intercalated proteins

called also cell membrane, plasmalemma

More from Merriam-Webster on plasma membrane

Britannica.com: Encyclopedia article about plasma membrane

Comments on plasma membrane

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

WORD OF THE DAY

to express warning or disapproval

Get Word of the Day daily email!

Test Your Vocabulary

Autumn Words of the Day 2018

  • a-top-down-image-of-road-through-an-autumn-forest
  • Which is a synonym of fugacious?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Add Diction

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!