an·​ti-foam·​ing ˌan-tē-ˈfō-miŋ How to pronounce anti-foaming (audio)
variants or antifoaming
: reducing or preventing the formation of foam
engine oils containing anti-foaming agents
the antifoaming properties of the solvent

Word History

First Known Use

1906, in the meaning defined above

Time Traveler
The first known use of anti-foaming was in 1906

Dictionary Entries Near anti-foaming

Cite this Entry

“Anti-foaming.” Dictionary, Merriam-Webster, Accessed 23 Mar. 2023.

Love words? Need even more definitions?

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

Challenging Standardized Test Words, Vol. 2

  • a pencil broken in half on top of a test answer sheet
  • The business’s new computer system proved not to be a panacea.
Spell It

Hear a word and type it out. How many can you get right?

Solve today's spelling word game by finding as many words as you can with using just 7 letters. Longer words score more points.

Can you make 12 words with 7 letters?