Definition of rubber noun from the Oxford Advanced American Dictionary

      

    rubber

     noun
    noun
    NAmE//ˈrʌbər//
     
     
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  1. 1 [uncountable] a strong substance that can be stretched and does not allow liquids to pass through it, used for making tires, boots, etc. It is made from the liquid (= sap ) inside a tropical plant or is produced using chemicals. a ball made of rubber a rubber tree see also India rubber
  2. 2 [countable] (informal) = condom
  3. 3[countable] (in some card games or sports) a competition consisting of a series of games or matches between the same teams or players
  4. Idioms
    burn rubber(informal)
     
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    to drive very fast
    where the rubber meets the road
     
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    the point at which something is tested and you really find out whether it is successful or true Here's where the rubber meets the road: will consumers actually buy the product?
rubberadjective[usually before noun]
 
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a rubber ball rubber gloves