Akademik

gauge for indicating the level of water in e.g. a tank or boiler or reservoir

any device for indicating the height of water in a reservoir, tank, boiler, or other vessel.

[1700-10]

water gauge or water gage noun

1. An instrument for measuring the quantity or height of water

2. Water pressure expressed in inches, in terms of the height of the head of water

3. An instrument for measuring differences in pressure (mining)

Main Entry: ↑water

water gauge,

1. any one of various apparatus for measuring quantity of water, as in a tank or boiler, or flow of water, as from or into a reservoir.

2. the part of such an apparatus by which measurement at a given moment is recorded, as a calibrated glass tube in which the level of water indicates the level inside a tank or boiler.