Barometer

Definition of Barometer

Ba`rom´e`ter
n.1.An instrument for determining the weight or pressure of the atmosphere, and hence for judging of the probable changes of weather, or for ascertaining the height of any ascent.
Aneroid barometer
See Aneroid barometer, under Aneroid.
Marine barometer
a barometer with tube contracted at bottom to prevent rapid oscillations of the mercury, and suspended in gimbals from an arm or support on shipboard.
Mountain barometer
a portable mercurial barometer with tripod support, and long scale, for measuring heights.
Siphon barometer
a barometer having a tube bent like a hook with the longer leg closed at the top. The height of the mercury in the longer leg shows the pressure of the atmosphere.
Wheel barometer
a barometer with recurved tube, and a float, from which a cord passes over a pulley and moves an index.

Related Words

aerological instrument, aneroid barometer, aneroidograph, barograph, barometrograph, canon, check, criterion, degree, feeler, gauge, glass, graduated scale, hurricane-hunter aircraft, hygrometer, measure, model, norm, parameter, pattern, pilot balloon, probe, quantity, radiosonde, random sample, reading, readout, recording barometer, rule, sample, scale, sound, sounder, standard, straw vote, test, touchstone, trial balloon, type, vacuometer, value, weather balloon, weather instrument, weather satellite, weather vane, weathercock, weatherglass, yardstick
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