IPA: /ˌkælɪˈbreɪʃən/
KK: /kælɪˈbreɪʃən/
The process of adjusting and measuring the accuracy of a device or instrument to ensure it gives correct readings.
The technician performed a calibration on the machine to ensure it was working properly.
Calibration → It is formed from "caliber" (from Latin *caliber*, meaning a measure or standard) and the suffix "-ation" (meaning the action or process of). The word "calibration" refers to the process of measuring or adjusting something to a standard or specific measurement.
Think of 'caliber' as a measure or standard, and remember that 'calibration' means the process of measuring or adjusting to that standard.