piezometric
/ˌpiːzə(ʊ)ˈmɛtrɪk/ /pʌɪˌiːzə(ʊ)ˈmɛtrɪk/adjective
Hydrology. Of or relating to the measurement of hydrostatic pressure in an aquifer; piezometric surface noun a hypothetical surface in an aquifer marking at each point the maximum level to which water in it can rise.
Origin
Mid 19th century (in an earlier sense). From piezo- + -metric.