Meaning of “ton” in the English Dictionary

"ton" in British English

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tonnoun [ C ]

uk /tʌn/ us /tʌn/ plural tons or ton

ton noun [ C ] (WEIGHT)

B2 a unit of weight equal to 1,000 kilograms

B2 also long ton a unit of weight equal to 1,016 kilograms

B2 also short ton a unit of weight equal to 907 kilograms

tons B2 [ plural ] informal

an extremely large amount:

We have tons of food left over from the party.

More examples

  • Customs officers have seized nearly a ton of heroin destined for New York.
  • The rock weighed over a ton and was completely immovable.
  • What on earth have you got in this bag, Elaine? It weighs a ton!

(Definition of “ton” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"ton" in American English

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tonnoun [ C ]

us /tʌn/

a unit of measurement of weight equal to 2000 pounds or about 907 kilograms

infmlA ton or tons of something is a very large amount:

I’ve got a ton of homework to do tonight.

(Definition of “ton” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"ton" in Business English

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tonnoun [ C ]

uk /tʌn/ us MEASURES

a unit for measuring weight. In the UK a ton is equal to 1,016 kilograms or 2,240 pounds. In the US a ton is equal to 907.18 kilograms or 2,000 pounds. A metric ton is equal to 1000 kilograms or 2,205 pounds:

The factory produced 14,000 tons of soap a week.
The door weighed 3 tons.
They had a fleet of ten-ton trucks.

a unit for measuring the size of ships. A ton is equal to 100 cubic feet:

The river can receive vessels of up to 600 tons.
tons of informal

a lot of:

We've had tons of replies to our advertisement.

(Definition of “ton” from the Cambridge Business English Dictionary © Cambridge University Press)