Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “foam”

See all translations

foam

noun [U]  /foʊm/ us  
a mass of small, usually white, bubbles formed on the surface of a liquid: The waves were high and capped with foam. Foam is also a type of light material made by adding gas bubbles to a liquid, then letting it cool, used esp. in packaging.

foam

verb [I]  /foʊm/ us  
to produce a mass of small bubbles: The suds in the sink foamed up when she added hot water.
Translations of “foam”
in Korean 거품…
in Arabic رَغْوة…
in French mousse, écume…
in Turkish köpük, güzellik ve temizlik amaçlı kullanılan köpük, sünger…
in Italian schiuma…
in Chinese (Traditional) 泡沫, 泡沫劑, 泡沫橡膠,海綿橡膠…
in Russian пена, поролон…
in Polish piana, pianka…
in Spanish espuma…
in Portuguese espuma…
in German der Schaum…
in Catalan escuma…
in Japanese 泡…
in Chinese (Simplified) 泡沫, 泡沫剂, 泡沫橡胶,海绵橡胶…
(Definition of foam from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of foam?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “foam”

Definitions of “foam” in other dictionaries

Word of the Day

be in/out of luck

to be able/unable to have or do what you want

Word of the Day

A certain je ne sais quoi: French words and phrases used in English

by Liz Walter,
January 21, 2015
It is an odd irony that the more sophisticated your use of English is, the more likely you are to use French words and phrases. Or, to be more accurate, ones you know to be French – words such as ballet, au pair, abattoir, fiancé, café, and restaurant are so entrenched in

Read More 

micro pig noun

January 26, 2015
an extremely small pig, bred to be a pet Micro pigs have become popular pets recently, with famous owners including Victoria Beckham, Paris Hilton and Olympic diver, Tom Daley.

Read More