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ton - definition and synonyms


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noun [countable] ton pronunciation in American English /tʌn/
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  1. 1
    American a unit for measuring weight, containing 2,000 pounds and equal to 907 kilograms
    The horse could pull up to 50 tons.
    Transporting the coal costs $40 per ton.
    two-ton/80-ton etc. (=weighing two tons/80 tons etc.): a 40-ton truck
    See also metric ton
  2. 2
    informal a very large number or amount
    ton of: She put on about a ton of makeup.
    tons of (=a lot of): I have tons of things to do.
    weigh a ton (=be extremely heavy): That bag of yours weighs a ton!



a course of study which is much shorter than a university course and focuses on the skills you need for a job, especially computer-related skills

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an ancient Roman system of underfloor heating, used to heat houses with hot air; from the Latin 'hypocaustum'

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