MILLIMICRONS
Scrabble letter values: M3I1L1L1I1M3I1C3R1O1N1S1 = 18
Definition
MILLIMICRONS is the plural of MILLIMICRON.
noun MILLIMICRON: a metric unit of length equal to one billionth of a meter.
Synonyms of MILLIMICRON: nanometer, nanometre, nm, micromillimeter, micromillimetre