#caliper__calipers__calliper__callipers__calliper  an instrument for measuring the distance between two points
  supertype:  measuring_instrument__measuringinstrument__measuring_system__measuringsystem__measuring_device__measuringdevice  instrument that shows the extent or amount or quantity or degree of something
  subtype:  inside_caliper  caliper for measuring inside dimensions (the size of a cavity or hole); points on its legs curve outward
  subtype:  micrometer_caliper__micrometer__micrometer_gauge  caliper for measuring small distances
  subtype:  odd-leg_caliper__oddlegcaliper  caliper having the points on its legs both curve in the same direction
  subtype:  outside_caliper__outsidecaliper  caliper for measuring outside dimensions; points on its legs curve inward
  subtype:  vernier_caliper__vernier_micrometer__verniermicrometer  a caliper with a vernier scale for very fine measurements

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