noun, noun or participle which takes 'suru', transitive verb, intransitive verb
drainage; draining; pumping out water; sewerage
Refers to removing water or liquid waste, either as a process or a system. Used for both domestic and industrial contexts.
大雨で排水が追いつかない。
The drainage can't keep up with the heavy rain.
工
The factory drains treated water into the river.
noun, noun or participle which takes 'suru', transitive verb, intransitive verb
Technical use in physics or engineering for the volume of fluid displaced by an object. Less common than the drainage sense.
船の排水量はその重さを示す。
A ship's displacement indicates its weight.