microbarograph: Meaning and Definition of

mi•cro•bar•o•graph

Pronunciation: (mī"kru-bär'u-graf", -gräf"), [key]
— n. Meteorol.
  1. a barograph for recording minute fluctuations of atmospheric pressure.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.