drainage
- 01 B2 Upper Intermediate
the way that water or other liquids flow away from a place.
the process of liquid flowing out of or being removed from a specific area, either naturally or through human intervention.
Simple“The heavy rain caused problems because the soil had very poor drainage.”
In context“The natural drainage of the valley was disrupted by the new housing development, leading to unexpected pooling in the lower fields.”
Antonyms - 02 B2 Upper Intermediate
the pipes or ditches used to carry water away from a building or an area.
the physical infrastructure, including pipes, conduits, and trenches, designed to facilitate the removal of waste water or rainwater.
Simple“The city is investing millions to improve the old drainage under the streets.”
In context“Engineers discovered that the Victorian drainage was insufficient for the modern city's requirements, necessitating a complete overhaul of the subterranean network.”
- 03 C2 Proficiency
a type of wind that blows down a slope or mountain.
a katabatic wind that carries high-density air from a higher elevation down a slope under the force of gravity.
Simple“The cold drainage from the mountains made the valley much chillier at night.”
In context“Meteorologists monitored the nocturnal drainage of cold air into the basin, which frequently resulted in localized temperature inversions.”
Synonymskatabatic wind
Usage drainage systems
“Even a small, do-it-yourself green roof requires many layers to protect the structure from roots and provide drainage.”
“The drainage system had to empty the pool in less than 24 hours without leaving puddles.”
From drain + -age.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.