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drainage

American  
[dray-nij] / ˈdreɪ nɪdʒ /

noun

  • drainages
    plural
  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.


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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Derived Forms

Inflected Forms

Nouns

Etymology

Origin of drainage

First recorded in 1645–55; drain + -age

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

The technique is a form of lymphatic drainage massage, adapted from a medical treatment and shared as a beauty trend.

From BBC ● Oct. 1, 2026

Bangkok Governor Chadchart Sittipunt said on social media Sunday that several roads remained flooded and water levels in the city's canals were still high, but authorities were working to speed up drainage.

From Barron's ● Sep. 27, 2026

Repeated ashfall blocks roads, overwhelms drainage systems and damages roofs.

From Science Daily ● Sep. 22, 2026

This May, authorities captured 19 migrants, including three unaccompanied minors, in the San Diego storm water drainage system.

From Los Angeles Times ● Sep. 9, 2026

Bushra would figure out some ingenious way to improve the drainage around the toilets.

From "Without Refuge" by Jane Mitchell

As these sudden drainages took place, the glacier surface began to fracture in unexpected ways.

From Science Daily ● Jan. 5, 2026

The service warned mud, rock and debris flow will impact drainages, roads and residences, and — while not immediately likely — life-threatening debris flow is possible.

From Los Angeles Times ● Jan. 26, 2025

Ghuge, the manager at Ola's Thane workshop, said reported service issues included battery drainages, software glitches and damaged wires.

From Reuters ● Nov. 28, 2023

It cites environmental concerns associated with the construction, claiming Arizona has "cut down and removed scores of trees, clogged drainages, and degraded the habitat of species listed under the Endangered Species Act".

From BBC ● Dec. 15, 2022

In Utah, populations of sirtalis occur in the drainages of the Bear, Weber and Sevier rivers and other smaller streams of the western half of the state.

From Occurrence of the Garter Snake, Thamnophis sirtalis, in the Great Plains and Rocky Mountains by Henry S. Fitch

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