The process of removing excess or unwanted water from surfaces, underground, or within structures, typically to prevent flooding or maintain proper water levels.
The phenomenon where an object floating in water displaces a volume of water equal to the submerged portion of the object.
The act of plants releasing water vapor or droplets from their pores during the night, contributing to water regulation within the organism.
Example:
学校はプールの水を月一回排水する。
A channel or trench designed to transport wastewater or excess water away from an area.
An artificial or natural feature created to facilitate the flow and removal of drainage water, often found alongside roads or in agricultural settings.
A specific structure that helps prevent flooding by directing rainwater or runoff into designated areas for proper disposal.
The amount of water displaced by a vessel when it is floating, which is equal to the weight of the vessel itself, and is used as a measurement for the vessel's weight.
The volume of water that a ship or other floating object pushes to the side when it is submerged in water, directly corresponding to the portion of the vessel beneath the water's surface.