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Meaning of caliper

cal•i•per

Pronunciation: (kal'u-pur), [key]
— n.
  1. Usually,an instrument for measuring thicknesses and internal or external diameters inaccessible to a scale, consisting usually of a pair of adjustable pivoted legs.
  2. any of various calibrated instruments for measuring thicknesses or distances between surfaces, usually having a screwed or sliding adjustable piece. Cf. vernier caliper.
  3. thickness or depth, as of paper or a tree.
  4. Usually,the pincers of an earwig.
  5. the part of a disc-brake assembly that straddles the disc and presses the brake pads against it. See illus. under
  6. a similar part used with a hand brake on a bicycle.
—v.t.
  1. to measure with calipers.
—v.i.
  1. to use calipers.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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