(~s, calibrating, ~d)
1.
If you ~ an instrument or tool, you mark or adjust it so that you can use it to measure something accurately. (TECHNICAL)
...instructions on how to ~ a thermometer.
VERB: V n
2.
If you ~ something, you measure it accurately. (WRITTEN)
...a way of calibrating the shift of opinion within the Labour Party...
VERB: V n
calibration (calibrations)
...the precise calibration of the achievement level of those observed.
N-VAR