American English

Definition of ton noun from the Oxford Advanced American Dictionary

      

    ton

     noun
    noun
    NAmE//tʌn//
     
     
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  1. 1   [countable] (pl. tons, (or )ton) a unit for measuring weight, equal to 2,000 pounds (informal) What have you got in this bag? It weighs a ton! compare tonne
  2. 2 [countable] a unit for measuring the size of a ship. 1 ton is equal to 100 cubic feet.
  3. 3 tons [plural] (informal) a lot They have tons of money. I still have tons to do.
  4. Idioms
    like a ton of bricks (informal)
     
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    very heavily; very severely Disappointment hit her like a ton of bricks. They came down on him like a ton of bricks (= criticized him very severely).
See the Oxford Advanced Learner's Dictionary entry: ton