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English definition of “rubber”

rubber

noun
 
 
/ˈrʌbər/
SUBSTANCE [U] B2 a strong material that bends easily, originally produced from the juice of a tropical tree, and used to make tyres, boots, etcPlastics and rubber
PENCIL [C] UK (US eraser) A2 a small object that is used to remove pencil marks from paper Office equipmentCommunicating by telephonePaper and stationeryWriting implements
(Definition of rubber from the Cambridge Learners Dictionary © Cambridge University Press)
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