waterproofing
Americannoun
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a substance by which something is made waterproof.
-
the act or process of making something waterproof.
Etymology
Origin of waterproofing
First recorded in 1835–45; waterproof + -ing 1
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.
Seabirds are especially at risk because oil destroyed the waterproofing of their feathers, leading to hypothermia and drowning.
From Barron's • Mar. 17, 2026
Their analysis showed that the waterproofing material was made from animal fat mixed with pine pitch.
From Science Daily • Feb. 16, 2026
The works then progresses over the following months to bridge waterproofing, concrete repairs, resurfacing, expansion joint replacements, edge beam strengthening, and barrier upgrades.
From BBC • Sep. 7, 2025
PFHxA specifically is commonly used in pizza boxes, rain jackets, firefighting foam and waterproofing sprays.
From Salon • Dec. 24, 2024
New York Rapid Transit Subway.—The waterproofing consisted of alternate layers of asbestos felt and asphalt laid on the concrete and covered with concrete.
From Concrete Construction Methods and Costs by Gillette, Halbert Powers
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.
