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.
The caverns expanded over time as water continued to erode the rock, causing the groundwater to sink lower and lower. Ruby Grisin, The Courier-Journal, 24 July 2025 The latest study also found evidence that managing groundwater can help keep Arizona aquifers healthier. Soo Kim, MSNBC Newsweek, 21 July 2025 Techniques like groundwater management and long-term monitoring frameworks are a key way to combat land subsidence. Allison Kiehl, The Tennessean, 2 July 2025 The bedrock between the ridges has a lot of tiny fractures filled with white veins of calcium sulfate, which is a salty mineral left behind when groundwater trickles through cracks in rocks, NASA said. Greg Wehner, FOXNews.com, 27 June 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 29 Jul. 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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