- to determine, check, or rectify the graduation of (any instrument giving quantitative measurements).
- to divide or mark with gradations, graduations, or other indexes of degree, quantity, etc., as on a thermometer, measuring cup, or the like.
- to determine the correct range for (an artillery gun, mortar, etc.) by observing where the fired projectile hits.
- to plan or devise (something) carefully so as to have a precise use, application, appeal, etc.: a sales strategy calibrated to rich investors.
Origin of calibrate
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- to measure the calibre of (a gun, mortar, etc)
- to mark (the scale of a measuring instrument) so that readings can be made in appropriate units
- to determine the accuracy of (a measuring instrument, etc)
- to determine or check the range and accuracy of (a piece of artillery)
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
Online Etymology Dictionary, © 2010 Douglas Harper
- To check, adjust, or determine the graduations of a quantitative measuring instrument by comparison with a standard.
- To determine the caliber of a tube.
- To make corrections in or adjust a procedure or process.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
- To check, adjust, or standardize a measuring instrument, usually by comparing it with an accepted model.
- To measure the diameter of the inside of a tube.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.