drainage

American  

[drey-nij] / ˈdreɪ nɪdʒ /

noun

1. the act or process of draining.

2. a system of drains, artificial or natural.

3. drainage basin.

4. something that is drained off.

5. Surgery. the drainage of fluids, as bile, urine, etc., from the body, or of pus and other diseased products from a wound.

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drainage British  

/ ˈdreɪnɪdʒ /

noun

1. the process or a method of draining

2. a system of watercourses or drains

3. liquid, sewage, etc, that is drained away

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Other Word Forms

• overdrainage noun

Etymology

Origin of drainage

First recorded in 1645–55; drain + -age

Example Sentences

This finding points to clogged brain drainage as a particularly early signal of Alzheimer's disease.

From Science Daily

Still, the researchers say the 16 largest drainage basins stand out as especially valuable targets for future exploration focused on habitability.

From Science Daily

Touadera has pointed to his record on improving the security situation, paved roads, public lighting installed on major avenues and renovated rainwater drainage canals in the capital.

From Barron's

The alert warned of “flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas.”

From Los Angeles Times

It's not only tracks that need looking after, but embankments and drainage along railway lines.

From BBC

Related Words

• sewerage