Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

efflux

play
noun ef·flux \ˈe-ˌfləks\

Definition of efflux

  1. 1 :  something given off in or as if in a stream

  2. 2 a :  effluence 2 b :  a passing away :  expiration

effluxion play \e-ˈflək-shən\ noun


Origin of efflux

Medieval Latin effluxus, from effluere


First Known Use: 1647


Medical Dictionary

efflux

play
noun ef·flux \ˈef-ˌləks\

Medical Definition of efflux

  1. 1:  something that is given off in or as if in a stream <the red-blood-cell sodium ion efflux>

  2. 2:  the action or process of flowing or seeming to flow out <the uptake and efflux of sodium ions>




Learn More about efflux


Seen and Heard

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

WORD OF THE DAY

immature or lacking adult sophistication

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt oily angry maudlin
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