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Showing results for drainage. Search instead for nondrainage.
Synonyms

drainage

American  
[drey-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:

Continued investment in drainage, road upkeep, and other public services also reflects collective support for the city's everyday needs.

From Science Daily Jul. 30, 2026

The team focused on the Iberian Pyrite Belt in southwest Spain, a copper-mining region with 82 active or historic mines that generate more acid mine drainage than anywhere else in the world.

From Barron's Jul. 22, 2026

Critically though, they discovered that those with the most impaired drainage systems were significantly more likely to go on to develop dementia years later, according to Markus.

From BBC Jul. 19, 2026

The landscape architects contracted by MetroLoft to design the courtyard recommended installing additional drainage there during construction, according to the lawsuit.

From The Wall Street Journal Jul. 10, 2026

A precisely engineered drainage system added to the similarity by channeling water from a cistern-like well at the summit down and along the sides, a stylized version of rainwater plashing down the Andes.

From "1491" by Charles C. Mann

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

From Science Daily Jan. 5, 2026

“Mud, rock and debris flows will have the potential to impact drainages, roads and residences in and directly below the burn area.”

From Los Angeles Times Feb. 13, 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

This subspecies is unknown from the Mississippi and Tennessee river drainages, which are inhabited by T. m. muticus.

From Description of a New Softshell Turtle From the Southeastern United States by Webb, Robert G.

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