|1.||[ verb ] make fine adjustments or divide into marked intervals for optimal measuring|
"calibrate an instrument" "graduate a cylinder"
|Related terms:||adjust graduation|
|2.||[ verb ] mark (the scale of a measuring instrument) so that it can be read in the desired units|
"he calibrated the thermometer for the Celsius scale"
|Related terms:||tag calibration|
|3.||[ verb ] measure the caliber of; as of a gun or mortar|
|Related terms:||measure bore|