a soft light rubber material, full of small holes, that is used for seats, mattresses, etc.
فوم, ابر, ابر اسفنجی
see also memory foam
2
a mass of very small air bubbles on the surface of a liquid
کف, کفِ صابون
a glass of beer with a good head of foam
The breaking waves left the beach covered with foam.
synonym froth
3
a chemical substance that forms or produces a soft mass of very small bubbles, used for washing, shaving(= cutting hair from the skin), or putting out fires, for example
کف, فوم
a bottle of bath foam
The fire extinguisher directs foam onto the fire.
see also shaving foam
verb
1
to have or produce a mass of small bubbles
کف کردن, حبابدار شدن, کف تولید کرد, حبابهای کوچکی تولید کرد, کفدار شد