Microbarograph definitions

microbarograph

instrument for recording minute changes in atmospheric pressure
Found on http://phrontistery.info/m.html

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Microbarograph

• (n.) An instrument for recording minor fluctuations of atmospheric pressure, as opposed to general barometric surges.
Found on http://thinkexist.com/dictionary/meaning/microbarograph/

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Microbarograph

Mi`cro·bar'o·graph noun [ Micro- + barograph .] An instrument for recording minor fluctuations of atmospheric pressure, as opposed to general barometric surges.
Found on http://www.encyclo.co.uk/webster/M/61

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