1. make fine adjustments or divide into marked intervals for optimal measuring

- calibrate an instrument

Similar word(s): graduate

Definition categories: change, adjust, correct, set

2. 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

Definition categories: contact, label, mark, tag

3. measure the caliber of

- calibrate a gun

Definition categories: cognition, measure, mensurate