barometer

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Related to aneroid barometer: mercury barometer

barometer

Medspeak
A poetic alternative to prognosticator
 
Meteorology
An instrument used to measure atmospheric pressure.

ba·rom·e·ter

(băr-om'ĕ-tĕr)
Instrument used to measure atmospheric pressure.
[G. baros, weight, + metron, measure]
References in periodicals archive ?
THIS Aneroid Barometer, by T A Reynolds & Sons, would be used in meteorology to measure atmospheric pressure to forecast changes in weather.
What finally put paid to them was the invention of the aneroid barometer, unveiled in the Great Exhibition of 1851.