barometer pumping

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• pumping of the barometer — 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 …   Useful english dictionary

• pumping — /pum ping/, n. 1. the act or process of pumping or the action of a pump. 2. Meteorol. rapid change in the height of the column in a mercury barometer, resulting from fluctuations in the surrounding air pressure. [1590 1600; PUMP1 + ING1] * * * …   Universalium

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• Buenos Aires — • The federal capital of the Argentine Republic Catholic Encyclopedia. Kevin Knight. 2006. Buenos Aires     Buenos Aires     † …   Catholic encyclopedia