You searched for: “barometer
1. An instrument for measuring atmospheric pressure; used in determining height above sea level and predicting changes in the weather.
2. Anything that reflects or indicates change; such as, breadlines are a barometer of unemployment.
Word Entries containing the term: “barometer
siphon barometer
1. A J-shaped mercury barometer in which the stem of the J is capped and the cusp is open to the atmosphere.
2. 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 (and gravity?).

This entry is located in the following unit: siphon-, siphono- + (page 1)
Word Entries at Get Words: “barometer
A device used to measure atmospheric pressure.
This entry is located in the following unit: Meteorology or Weather Terms + (page 2)