calibration
🇺🇸
/ˌkælɪˈbreɪʃn/
🇬🇧
/ˌkælɪˈbreɪʃn/
Adjusting or marking something precisely for its purpose.
The technician performed a calibration of the device to ensure its accuracy.
The marks on a measuring instrument that shows measurements.
We checked the calibrations on the ruler to ensure precise measurements.