Water barometer

Related to Water barometer: mercury barometer, aneroid barometer

Wa´ter ba`rom´e`ter

1.(Physics) A barometer in which the changes of atmospheric pressure are indicated by the motion of a column of water instead of mercury. It requires a column of water about thirty-three feet in height.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
(Figure 8.) This might be used to produce a water barometer within the height of a room, instead of requiring a tube ten meters high.
The problems experienced with a water barometer are that to gain an accurate reading the tube would need to extend between 30 and 40ft, not particularly practical in a modern house.