📒 a strong substance that can be stretched and does not allow liquids to pass through it, used for making tyres, boots, etc. It is made from the liquid (= sap) inside a tropical plant or is produced using chemicals.
📒 a small piece of rubber or a similar substance, used for removing pencil marks from paper; a piece of soft material used for removing chalk marks from a blackboard or pen from a whiteboard
📒 a condom (= a thin rubber tube that a man wears over his penis during sex to stop a woman from becoming pregnant or to protect against disease)
📒 (in some card games or sports) a competition consisting of a series of games or matches between the same teams or players
📒 to drive very fast
📒 the point at which something is tested and you really find out whether it is successful or true