#fluidounce__fluid_ounce  a United States unit of capacity or volume equal to 1.804 cubic inches
  supertype:  #United_States_liquid_unit  a unit of measurement of capacity for liquids officially adopted in the United States Customary System
  part:  #fluidram
  part of:  #gill  a United States liquid unit equal to 4 fluid ounces
     part of:  #cup.United_States_liquid_unit  a United States liquid unit equal to 8 fluid ounces
        part of:  #pint  a United States liquid unit equal to 16 fluid ounces; two pints equal one quart
           part of:  #quart  a United States liquid unit equal to 32 fluid ounces; four quarts equal one gallon
              part of:  #gallon__gal  United States liquid unit equal to 4 quarts or 3.785 liters
                 part of:  #bbl__barrel  any of various units of capacity; "a barrel of beer is 31 gallons and a barrel of oil is 42 gallons"
                    part of:  #hogshead.British_capacity_unit  a British unit of capacity for alcoholic beverages

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