sub·​gla·​cial | \ ˌsəb-ˈglā-shəl How to pronounce subglacial (audio) \

Definition of subglacial

: of or relating to the bottom of a glacier or the area immediately underlying a glacier

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Other Words from subglacial

subglacially \ ˌsəb-​ˈglā-​shə-​lē How to pronounce subglacially (audio) \ adverb

Examples of subglacial in a Sentence

Recent Examples on the Web Scientists first unearthed evidence of these subglacial reservoirs in 2018. Jennifer Leman, Popular Mechanics, "Even More Evidence Points to 'Water Bodies' Under the Surface of Mars," 30 Sep. 2020 In 2018, scientists announced the discovery of the larger subglacial lake, presumed to be a body of salt water some 12 miles across. Nadia Drake, National Geographic, "Mars may be hiding tantalizing lakes beneath its glaciers," 28 Sep. 2020 Earth's subglacial lakes are teeming with bacterial life, and similar life might survive in liquid reservoirs on Mars, scientists have speculated. NBC News, "Liquid water on Mars? New research indicates buried 'lakes'," 28 Sep. 2020 The temperature of this water would probably have remained just above freezing, the researchers theorize, a bit like the Antarctic subglacial lakes on Earth that are covered in ice year-round. Popular Science, "Frigid Pluto may have had a toasty start," 29 June 2020 Day 1: The lost sea and ancient cats From Chattanooga, drive about an hour east to Craighead Caverns to find the world’s second largest non-subglacial underground lake. National Geographic, "Take an epic road trip to Tennessee’s coolest caverns," 16 Aug. 2019 What do the subglacial lakes mean for the future of the Greenland Ice Sheet given the looming threat of climate change? NBC News, "Dozens of lakes discovered deep under the Greenland Ice Sheet," 29 June 2019 The team now plans to look at how active subglacial lakes influence the flow of ice in the upper layers of the ice sheet. Jason Daley, Smithsonian, "More Than 50 Lakes Found Under Greenland Ice Sheet," 27 June 2019 Those differences allow the scientists to map subglacial topography. Daniela Hernandez, WSJ, "Climate’s Big Unknown: What’s Happening Beneath Antarctica’s Ice?," 29 Dec. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'subglacial.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of subglacial

1820, in the meaning defined above

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Time Traveler for subglacial

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The first known use of subglacial was in 1820

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Last Updated

16 Oct 2020

Cite this Entry

“Subglacial.” Dictionary, Merriam-Webster, Accessed 1 Dec. 2020.

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