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waterproofing

American  
[waw-ter-proo-fing, wot-er-] / ˈwɔ tərˌpru fɪŋ, ˈwɒt ər- /

noun

  1. a substance by which something is made waterproof.

  2. 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.

The other thing—the much better-known thing—is that they’re putting a waterproofing coating down at the bottom of the pool.

From Slate • Jun. 4, 2026

The combination will bring together QXO’s leading positions in roofing, waterproofing, lumber-related building materials, and associated products with TopBuild’s insulation capabilities.

From The Wall Street Journal • Apr. 20, 2026

Seabirds are especially at risk because oil destroyed the waterproofing of their feathers, leading to hypothermia and drowning.

From Barron's • Mar. 17, 2026

Powered by a battery, with Wi-Fi data transfer and waterproofing, the sensor can work outdoors for over a month, allowing for extended data collection.

From Science Daily • Nov. 26, 2024

Everything of value to the concrete user is given, including kinds of cement employed in construction, concrete architecture, inspection and testing, waterproofing, coloring and painting, rules, tables, working and cost data.

From Aviation Engines Design?Construction?Operation and Repair by Pag?, Victor Wilfred

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