Barometer
Ba·rom·e·ter
Barometer
n.
- 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.
Phrases & Compounds
- 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.