Added 9 October 2026
calibration
/ˌkæl.ɪˈbɹeɪ.ʃən/ noun
First recorded: 1852 Wiktionary
noun Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about calibration at Wordnik → Where our words come from →
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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. First attested in 1852.
From Wiktionary, via Kaikki.org (CC BY-SA)