snow line


Definition of snow line

: the lower margin of a perennial snowfield

Examples of snow line in a Sentence

climbing above the snow line
Recent Examples on the Web The snow line is also the sweet spot where theorists expect most ice-rich, intermediate-mass super Earths and mini Neptunes to form. Lee Billings, Scientific American, "The Curious Case of Proxima C," 15 Jan. 2020 The rain-snow line is evident on the map of temperatures below. Washington Post, "Updated forecast: Snow exits D.C. area after a coating to a couple of inches. Icy spots possible overnight.," 7 Jan. 2020 The snow line this summer advanced to a record-high 1,450 meters (4,757 feet) above sea level, Pelto wrote in a blog post this month. James Brooks, Anchorage Daily News, "The last advancing Juneau Icefield glacier begins its retreat," 29 Oct. 2019 The snow line existed in the disk at a distance from the star where its heat couldn't maintain liquid water. Ashley Strickland, CNN, "Ice fossils found in 4.6 billion-year-old meteorite reveal building blocks of our solar system," 26 Nov. 2019 Global warming has pushed the winter snow line northward, stimulating hawks who once wintered in Boulder County to winter in Nebraska and Wyoming instead. The Know, "Grassland hawks driven into Boulder County by heavy snow," 4 Dec. 2019 Ice, which could be found beyond the snow line of the planetary disk where solid water ice can form, was also included in the mix. Ashley Strickland, CNN, "Ice fossils found in 4.6 billion-year-old meteorite reveal building blocks of our solar system," 26 Nov. 2019 Current radar shows the rain-snow line entering northwest Ohio. Emily Bamforth, cleveland, "How bad will the evening commute be for Northeast Ohio’s first major snowfall?," 11 Nov. 2019 While there are different snow lines for each chemical (carbon dioxide doesn't freeze out where water will), the presence of any solids should dramatically change the dynamics of the disks that give rise to planets. John Timmer, Ars Technica, "Sun’s closest solo star may have company," 14 Nov. 2018

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

circa 1835, in the meaning defined above

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Time Traveler for snow line

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The first known use of snow line was circa 1835

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Statistics for snow line

Last Updated

3 Feb 2020

Cite this Entry

“Snow line.” Dictionary, Merriam-Webster, Accessed 16 Feb. 2020.

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More Definitions for snow line

snow line


English Language Learners Definition of snow line

: an imaginary line on a mountain that marks the height above which snow does not completely melt

More from Merriam-Webster on snow line

Rhyming Dictionary: Words that rhyme with snow line Encyclopedia article about snow line

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