Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

transmembrane

adjective trans·mem·brane \ (ˌ)tran(t)s-ˈmem-ˌbrān , (ˌ)tranz- \

Definition of transmembrane

: taking place or existing across a membrane
  • a transmembrane protein

First Known Use of transmembrane

1944

in the meaning defined above

See Words from the same year
NEW! Time Traveler

Medical Dictionary

transmembrane

adjective trans·mem·brane \ (ˈ)tran(t)s-ˈmem-ˌbrān, (ˈ)tranz- \

medical Definition of transmembrane

: taking place, existing, or arranged from one side to the other of a membrane
  • a transmembrane potential
  • transmembrane proteins

Seen and Heard

What made you want to look up transmembrane? 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

nonchalant

play

having an air of easy unconcern

Get Word of the Day daily email!

TRENDING NOW

  1. sequacious 'intellectually servile'

  2. inadmissible 'not capable of being allowed'

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

  4. emolument 'the returns arising from office or employment usually in the form of compensation or perquisites'

  5. troll 'to harass, criticize, or antagonize especially by disparaging or mocking public statements'

SEE ALL

BROWSE DICTIONARY

transmembrane

Test Your Vocabulary

The Eponym Quiz

  • rubens-painting
  • Which is the best synonym of bowdlerize?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Word Winder's CrossWinder

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