caliper

/ˈkælɪpər/
verb
  1. To measure something using a caliper.
    • The engineer calipered the pipe to ensure it fit the connector.
    • She calipered the bearing to see if it was within the allowed tolerance.
    • Before cutting, he calipered the board to check its exact width.
noun
  1. A tool used to measure the thickness, width, or diameter of an object, often with two adjustable legs or jaws.
    • A digital caliper gives a precise reading on a small screen.
    • She carefully adjusted the caliper to check the thickness of the wood plank.
    • The machinist used a caliper to measure the diameter of the metal rod.
  2. A metal device with two legs that is attached to a wheel or brake system, especially on a bicycle or car, to press against a rotating part and slow it down.
    • A stuck caliper can cause the car to pull to one side while driving.
    • When I squeezed the brake lever, the caliper pressed the pads against the rim.
    • The mechanic replaced the brake caliper on the front wheel of the car.
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