calibration
ca·lib·ra·tion
noun
1.
the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument
- “the thermometer needed calibration”
Origin
From calibrate + -ion.
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WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.