noun
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the process or a method of draining
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a system of watercourses or drains
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liquid, sewage, etc, that is drained away
Other Word Forms
Derived Forms
Inflected Forms
Nouns
Etymology
Origin of drainage
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:
On schist foundations, cautious engineers knew to build in safety features like a series of cut-off trenches and drainage pipes — a step Mulholland had neglected.
From Los Angeles Times ● Aug. 6, 2026
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
“It would help, but I’m pretty sure I have the waterways memorized. There’s a map with the aqueducts and drainage channels all marked up in our garage.”
From "Dry" by Neal Shusterman and Jarrod Shusterman
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
C. b. crebrus now is known to inhabit all the major drainages of the Raft River, Goose Creek, and Grouse Creek mountains.
From Additional Records and Extensions of Known Ranges of Mammals from Utah by Stephen D. Durrant
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
