surface-active

adjective

Definition of surface-active

: altering the properties and especially lowering the tension at the surface of contact between phases
  • soaps and wetting agents are typical surface-active substances

First Known Use of surface-active

1920


Medical Dictionary

surface-active

adjective

medical Definition of surface-active

: altering the properties and especially lowering the tension at the surface of contact between phases
  • soaps and wetting agents are typical surface-active substances

Learn More about surface-active


Seen and Heard

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

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

to provide what is needed to exist

Get Word of the Day daily email!

Test Your Vocabulary

Intact Latin Quiz

  • roman-tablet
  • What did focus mean in Latin?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

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!