Medical Definition of calibrate
1: to ascertain the caliber of (as a thermometer tube)
2: to determine, rectify, or mark the graduations of (as a thermometer tube)
3: to standardize (as a measuring instrument) by determining the deviation from a standard so as to ascertain the proper correction factors
Seen and Heard
What made you want to look up calibrate? Please tell us where you read or heard it (including the quote, if possible).