WordWeb Online

1. Make fine adjustments or divide into marked intervals for optimal measuring
   "calibrate an instrument"
   - graduate, fine-tune
    
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"
    
3. Measure the calibre of
   "calibrate a gun"

Derived forms: calibrated, calibrates, calibrating

See also: caliber [US], calibration, graduated

Type of: adjust, correct, label, mark, measure, measure out, mensurate, set, tag

Encyclopedia: Calibrate