millimicron millimicron

Definition(s):

  • (n) a metric unit of length equal to one billionth of a meter

Usage(s):

  • Virologists study a world of marvels, a world measured by the millimicron (a twenty-five millionth of an inch) and yet big enough to hold the mystery of life.
Word of the Day
fathom fathom
/ˈfæ ðəm /