- Usually calipers. an instrument for measuring thicknesses and internal or external diameters inaccessible to a scale, consisting usually of a pair of adjustable pivoted legs.
- any of various calibrated instruments for measuring thicknesses or distances between surfaces, usually having a screwed or sliding adjustable piece.Compare vernier caliper.
- thickness or depth, as of paper or a tree.
- Usually calipers. the pincers of an earwig.
- Automotive. the part of a disc-brake assembly that straddles the disc and presses the brake pads against it.
- a similar part used with a hand brake on a bicycle.
- to measure with calipers.
- to use calipers.
Origin of caliper
First recorded in 1580–90; presumably variant of caliber
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for caliper
In case the bottom surface is used, 0.150 must be deducted from the reading of the caliper.
It is a 26-inch caliper, and will caliper up to 34 inches diameter.
Then the legs are closed to remove the caliper, and are reset to the scribed line.
Then remove the caliper and measure the distance between the caliper points.
The method of adjusting a spring caliper is shown at Fig. 174, H.Aviation Engines
Victor Wilfred Pag
- the usual US spelling of calliper
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Word Origin and History for caliper
1620s, short for calliper compass (1580s), a device used to measure caliber (q.v.). Related: Calipers.
Online Etymology Dictionary, © 2010 Douglas Harper
- An instrument consisting essentially of two curved hinged legs, used to measure thickness and distances.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- An instrument consisting of two curved legs connected at a hinge, used to measure thickness and distance. Often used in the plural as calipers.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.