PUMPING OF THE BAROMETER


Meaning of PUMPING OF THE BAROMETER in English

: a rather rapid rise and fall of the column of the mercurial barometer due to inertia attending changes in the rate of vertical motion : a corresponding oscillation of the index of the aneroid barometer or of the recording pen of the barograph due to various causes (as change of pressure)

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.