Noun ton has 2 senses
  1. short ton, ton, net ton - a United States unit of weight equivalent to 2000 pounds
    --1 is a kind of avoirdupois unit
    --1 is a part of kiloton
    --1 has parts:
     hundredweight, cwt, short hundredweight, centner, cental, quintal
  2. long ton, ton, gross ton - a British unit of weight equivalent to 2240 pounds
    --2 is a kind of avoirdupois unit
    --2 has parts: hundredweight, cwt, long hundredweight
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