#metric_ton__MT__tonne__t  a unit of weight equivalent to 1000 kilograms
  supertype:  #metric_weight_unit__weight_unit  a decimal unit of weight based on the gram
  part:  #quintal  a unit of weight equal to 100 kilograms
     part:  #metric_hundredweight__hundredweight__doppelzentner__centner  a unit of weight equal to 100 kilograms
        part:  #centner  in some European countries: a unit of weight equivalent to 50 kilograms
           part:  #myriagram__myg  one ten thousandth of a centner
              part:  #kilogram__kg__kilo__key  one thousand grams; the basic unit of mass adopted under the System International d'Unites; "a kilogram is approximately 2.2 pounds"; "they were carrying two keys of heroin"
                 part:  #hectogram__hg  100 grams
                    part:  #dekagram__decagram__dkg__dag  10 grams
                       part:  #gram__gramme__gm__g  a metric unit of weight equal to one thousandth of a kilogram
                          part:  #obolus  a Greek unit of weight equal to one tenth of a gram
                          part:  #carat  a unit of weight for precious stones = 200 mg
                             part:  #decigram__dg  1/10 gram
                                part:  #metric_grain__grain  used for pearls or diamonds: 50 mg or 1/4 carat
                                   part:  #milligram__mg  1/1000 gram
                                      part:  #microgram__mcg  one millionth of a gram

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