Meaning of milligal

mil•li•gal

Pronunciation: (mil'i-gal"), [key]
— n.
  1. a unit of acceleration, equal to one thousandth of a gal; one thousandth of a centimeter per second per second. Abbr.: mGal
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.