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.
- cal·i·bra·tion [kal-uh-brey-shuhn], /ˌkæl əˈbreɪ ʃən/, noun
- cal·i·bra·tor, cal·i·brat·er, noun
- re·cal·i·brate, verb (used with or without object), re·cal·i·brat·ed, re·cal·i·brat·ing.
- un·cal·i·brat·ed, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
British Dictionary definitions for calibrate
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)
- calibration, noun
- calibrator or calibrater, noun
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
Scientific definitions for calibrate
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.