D defs.my
Entry 1 sense Webster, 1913

Milli-

/(mĭl"lĭ-)/ · Mil·li- · IPA /ˈmɪlɪ/
01 A prefix denoting a thousandth part of; as, millimeter, milligram, milliampère.
  1. 1.
    A prefix denoting a thousandth part of; as, millimeter, milligram, milliampère.(Metric System, Elec., Mech., etc.)