11 letters · 15 points in Scrabble
noun the act of changing from imperial units of measurement to metric units: meters, grams, seconds
originEtymology tree English metric 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 metrication From metric + -ation.
Etymology from Wiktionary, CC BY-SA 3.0