: any of various measuring instruments having two usually adjustable arms, legs, or jaws used especially to measure diameter or thickness—usually used in plural
a pair of calipers
b
: a device for pressing a frictional material (such as a brake pad) against the sides of a rotating wheel or disc
2
: thickness especially of paper, cardboard, or a tree
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Noun
First and foremost, the TiCal allows users to measure the outer diameter of objects via the main set of caliper jaws.—Ben Coxworth, New Atlas, 27 Mar. 2025 Also, the 220mm front and rear hydraulic disc brakes with twin-piston calipers have excellent power and feel at the lever, adding to the feeling of control while riding at speed or off pavement.—William Roberson, Forbes, 7 Mar. 2025
Verb
Standard Tornado Red calipers signal to the 99.999999 percent that this is indeed the V-8 trim.—Tony Markovich, Car and Driver, 12 Jan. 2018 See All Example Sentences for caliper
: a measuring instrument with two legs or jaws that can be adjusted to determine thickness, diameter, or distance between surfaces—usually used in plural
: any of various measuring instruments having two usually adjustable arms, legs, or jaws used to measure thickness, diameter, and distance between surfaces—usually used in plural
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