#Imperial_gallon__gallon__congius__congiu  a British imperial capacity measure (liquid or dry) equal to 4 quarts or 4.545 liters
  supertype:  British_capacity_unit__Imperial_capacity_unit  a unit of measure for capacity officially adopted in the British Imperial System; British units are both dry and wet
  part of:  bbl  bushel.British_capacity_unit  firkin.British_capacity_unit
  part:  quart.British_capacity_unit  a British imperial capacity measure (liquid or dry) equal to 2 pints or 1.136 liters
     part:  pint.British_capacity_unit  a British imperial capacity measure (liquid or dry) equal to 4 gills or 568.26 cubic centimeters
        part:  gill.British_capacity_unit  a British imperial capacity unit (liquid or dry) equal to 5 fluid ounces or 142.066 cubic centimeters
           part:  fluid_ounce__fluidounce  a British imperial unit of capacity or volume (liquid or dry) equal to 8 fluid drams or 28.416 cubic centimeters (1.734 cubic inches)
              part:  fluid_dram__fluiddram__fluid_drachm__fluiddrachm  a British imperial capacity measure (liquid or dry) equal to 60 minims or 3.5516 cubic centimeters
                 part:  minim.British_capacity_unit  a British imperial capacity measure (liquid or dry) equal to 1/60th fluid dram or 0.059194 cubic centimeters

No statement uses or specializes Imperial_gallon; click here to add one.