#ft__foot  a linear unit of length equal to 12 inches or a third of a yard; "he is six feet tall"
  supertype:  #linear_unit  a unit of measurement of length
  part of:  #yard
  part:  #inch__in  a unit of length (in United States and Britain) equal to one twelfth of a foot
     part:  #ligne  a linear unit (1/40 inch) used to measure diameter of buttons
     part:  #mesh  the number of opening per inch of a screen; measures size of particles; "a 100 mesh screen" or "100 mesh powdered cellulose"
     part:  #mil  a unit of length equal to one thousandth of an inch; used to specify thickness (e.g., of sheets or wire)
     part:  #pica_em__em__pica  a linear unit (1/6 inch) used in printing
        part:  #point.linear_unit  a linear unit used to measure the size of type; approximately 1/72 inch
        part:  #en__nut  half the width of an em

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