groundwater

noun

ground·​wa·​ter ˈgrau̇nd-ˌwȯ-tər How to pronounce groundwater (audio)
-ˌwä-
: water within the earth especially that supplies wells and springs

Examples of groundwater in a Sentence

There were concerns about contaminated groundwater.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Despite the longstanding sewage troubles and the apparent ongoing incursion of groundwater into the system, sources at the facility said the water remained on Friday and the temporary pump remained in operation. Evan Simko-Bednarski, New York Daily News, 27 Apr. 2025 This constant flow comes as groundwater seeps and gushes from springs that run through the heart of the mountain. Ian James, Los Angeles Times, 27 Apr. 2025 Two feet of sea-level rise would push groundwater closer to the surface, overburden drainage systems, and make storm surge events more damaging. Monica Sanders, Forbes.com, 24 Apr. 2025 Concerns about the Swedish project are the same as with the Finnish one: danger of corrosion of the copper canisters, possibly resulting in the release of radioactive elements into the groundwater. Marta Abbà, Wired News, 23 Apr. 2025 See All Example Sentences for groundwater

Word History

First Known Use

circa 1889, in the meaning defined above

Time Traveler
The first known use of groundwater was circa 1889

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Cite this Entry

“Groundwater.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/groundwater. Accessed 3 May. 2025.

Kids Definition

groundwater

noun
ground·​wa·​ter ˈgrau̇n-ˌdwȯt-ər How to pronounce groundwater (audio)
-ˌdwät-
: water within the earth that supplies wells and springs

More from Merriam-Webster on groundwater

Last Updated: - Updated example sentences
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