#hectoliter__hectolitre__hl  a metric unit of volume or capacity equal to 100 liters
  supertype:  #metric_capacity_unit  a capacity unit defined in metric terms
  part of:  #kiloliter
  part:  #dekaliter__dekalitre__decaliter__decalitre__dal__dkl  a metric unit of volume or capacity equal to 10 liters
     part:  #liter__litre__l__cubic_decimeter__cubicdecimeter__cubic_decimetre__cubicdecimetre  a metric unit of capacity equal to the volume of 1 kilogram of pure water at 4 degrees centigrade and 760 mm of mercury (or approximately 1.76 pints)
        part:  #deciliter__decilitre__dl  a metric unit of volume equal to one tenth of a liter
           part:  #centiliter__centilitre__cl  a metric unit of volume equal to one hundredth of a liter
              part:  #milliliter__millilitre__mil__ml__cubic_centimeter__cubiccentimeter__cubic_centimetre__cubiccentimetre__cc  a metric unit of volume equal to one thousandth of a liter
                 part:  #cubic_millimeter__cubicmillimeter__cubicmillimetre  a metric measure of volume or capacity equal to a cube 1 millimeter on each edge

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