melt·wa·ter | \ˈmelt-ˌwȯ-tər, -ˌwä-\

Definition of meltwater 

: water derived from the melting of ice and snow

Examples of meltwater in a Sentence

Recent Examples on the Web

The thinking is that as the ice age ended and the enormous Laurentide ice sheet atop North America began to retreat, the resulting meltwater fed a bevy of large lakes atop the depressed surface of the continent. Christopher Mooney,, "Scientists may have solved a huge riddle that led to more than 1,000 years of cold on Earth. It doesn’t bode well," 12 July 2018 Rather, the meltwater sinks back through the ice and refreezes in layers that are more dense than the surrounding, compacted snow. Chris Mooney,, "Greenland is melting faster than at any time in the past 450 years (at least)," 28 Mar. 2018 As such, snowballs might remain habitable with the help of ice-free zones, thin ice sheets, ponds of meltwater and hydrothermal vents. Shannon Hall, Scientific American, "Like Ancient Snowball Earth, Frozen Planets May Still Be Habitable," 13 Mar. 2018 The findings: Measurements of deep ocean mud taken off the northern coasts of Alaska and Canada in the Beaufort Sea reveal telltale signs in the oxygen content in fossils of long-dead marine organisms that glacial meltwater flowed there. Dino Grandoni, Washington Post, "The Energy 202: Republicans can't agree on this climate deal brokered by Obama," 12 July 2018 Elias National Park and Preserve to experience its spectacular environment, a vast mountainous terrain dominated by glaciers and riven with furious meltwater. Nathaniel Wilder, Smithsonian, "A Daring Journey Into the Big Unknown of America’s Largest National Park," 18 Apr. 2018 Larger glaciers hold out longer, but declining meltwater is inevitable. Scott K. Johnson, Ars Technica, "Many glaciers letting rivers run low, others are falling apart," 27 Jan. 2018 In 2016, meltwater seeped into the entrance tunnel of the Global Seed Vault, a subterranean facility in Arctic Norway nicknamed the Doomsday Vault. Bridget Alex, Discover Magazine, "Something Stirs: What Will Happen as Permafrost Thaws?," 15 May 2018 From there, a guide will show off the nearby glacial moulins, near-vertical cavities through which surface meltwater drops into a tunnel. Mike Campbell, Anchorage Daily News, "The best way to see Alaska: By air," 2 May 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'meltwater.' 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 meltwater

1923, in the meaning defined above

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The first known use of meltwater was in 1923

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