piezometer noun. [pʌɪɪ'zɒmɪtǝ] E19.
[from PIEZO- + -METER.]
Any of various instruments for measuring the pressure of a liquid or gas, or something connected with pressure (as the compressibility of liquid or the depth of water).

■ piezo'metric adjective of or pertaining to the measurement of hydrostatic pressure in an aquifer E20.

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