水すい頭とう

noun

hydraulic head; water head; piezometric head

Civil engineering term for the potential energy of water per unit weight, measured as a height. Used in hydraulics and groundwater flow.

• ダムの設せっ計けいでは水すい頭とうを正せい確かくに計けい算さんする必ひつ要ようがある。

  In dam design, it is necessary to accurately calculate the hydraulic head.

• 地ち下か水すいの流ながれは水すい頭とうの差さによって生しょうじる。

  Groundwater flow occurs due to differences in hydraulic head.

noun

waterside; water's edge

Archaic term for the area beside a body of water. Not used in modern Japanese; replaced by words like 水辺 (みずべ) or 岸 (きし).

• 古こ文ぶん書しょには「水すい頭とうに立たちて」という表ひょう現げんが見みられる。

  In old documents, the expression 'standing at the water's edge' can be found.