What is the X in X-mas?
to correct a measuring process by checking or adjusting again in comparison with a standard
The archaeologist recalibrated radiocarbon dates to adjust them to calendar years, using results gained from dendrochronology.
calibrate cal·i·brate (kāl'ə-brāt')
v. cal·i·brat·ed, cal·i·brat·ing, cal·i·brates
To check, adjust, or determine the graduations of a quantitative measuring instrument by comparison with a standard.
To determine the caliber of a tube.
To make corrections in or adjust a procedure or process.