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.
Meta, which operates the data center at the center of the issue, said its staff commissioned an independent groundwater study following residents' complaints. Matthew Rodriguez, CBS News, 3 June 2026 The ash from open burning can also contaminate soil and groundwater with persistent organic pollutants, heavy metals and other toxicants, creating more chances for people to be exposed to them through food and water. Ellen M. Considine, The Conversation, 2 June 2026 The environmental activist who won $333 million for hundreds of people affected by utility company PG&E’s groundwater contamination is now turning her focus to data centers. Marco Quiroz-Gutierrez, Fortune, 1 June 2026 That threatened nearby water supplies, the agency found, by contaminating groundwaters above federal safety standards. ArsTechnica, 29 May 2026 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 8 Jun. 2026.

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

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