hydraulic; hydrologic
Technical term used in fields such as civil engineering, hydrology, and water management. Often appears in compounds like 水理学 (hydraulics) or 水理模型 (hydraulic model).
See also: 水理学
We reproduced the river flow in a hydraulic model experiment.
水理地質学は地下水の動きを研究する分野だ。
Hydrogeology is a field that studies the movement of groundwater.
hydraulics
Compound of 水 (water) and 理 (principle, logic), literally 'water principles'. The exact historical derivation is uncertain; the spelling is conventionally associated with the technical meaning.