You searched for: “piezometer
piezometer (pigh i ZAHM i tuhr)
1. A system for testing piezoelectric materials.
2. Any of several instruments for measuring the pressure of a fluid or the compressibility of a substance when subjected to such a pressure.
3. A device used to measure fluid pressure, particularly a device inside a vessel that contains gas or liquid.
4. A device that measure the compressibility of materials, especially a device that measures the variation in volume of a material that is subjected to hydrostatic pressure.
5. A gauge connected with a water main to show the pressure at that point.
6. A device used for the measurements of hydraulic heads of groundwater in aquifers.