10 letters · 16 points in Scrabble
noun a metric unit of length equal to one millionth of a meter
noun caliper for measuring small distances
originEtymology tree Proto-Indo-European *mey-der.? Ancient Greek μικρός (mikrós)der. English micro- English meter English micrometer From micro- (“one millionth”) + meter.
Etymology from Wiktionary, CC BY-SA 3.0