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English definition of “foam”

foam

noun [U]
 
 
/fəʊm/
BUBBLES a mass of small, white bubbles on the surface of a liquidMasses and large amounts of things
PRODUCT a thick substance of small, white bubbles used as a cleaning or beauty product: shaving foam Masses and large amounts of things
FILLING a soft substance used to fill furniture and other objectsPlastics and rubber
(Definition of foam from the Cambridge Learners Dictionary © Cambridge University Press)
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