11 letters · 15 points in Scrabble
noun the act of checking or adjusting (by comparison with a standard) the accuracy of a measuring instrument
originEtymology tree English calibrate Proto-Indo-European *-tis Proto-Indo-European *-Hō Proto-Indo-European *-tiHō Proto-Italic *-tiō Latin -tiō Latin -ātiōlbor. Old French -ationbor. Middle English -acioun English -ation English -ion English calibration From calibrate + -ion.
Etymology from Wiktionary, CC BY-SA 3.0