<p><strong>Noun</strong></p><ul><li>the act or process of determining, checking, or rectifying the settings or gradations on a measuring instrument or other piece of precision equipment; the resulting condition of the equipment: I took the copter down to the beach to do the compass calibration, so as to be absolutely sure there was no metal around when I did it.</li><li>the act or process of marking a measuring instrument with the necessary gradations; the resulting markings or settings: Our measuring cups are designed with calibrations on the side so that exact measurement can be given.</li><li>the act or process of planning or devising something carefully so as to have a precise use, application, appeal, etc.: He advocated for the calibration of fiscal policy to balance growth needs and minimize debt.</li><li>the act or process of determining the correct range for an artillery gun, mortar, etc., by observing where the projectile hits: The field regiment moved to a deserted area to carry out a shoot for the calibration of every gun.</li></ul>