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snow line

noun
  1. the line, as on mountains, above which there is perpetual snow.
  2. the latitudinal line marking the limit of the fall of snow at sea level.
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Origin of snow line

First recorded in 1825–35
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for snow line

Historical Examples of snow line

  • This summit is covered with snow; and it is under the snow-line he usually makes his haunt.

    Bruin

    Mayne Reid

  • You must know that there is a line on all high mountains which is called the snow-line.

    Rivers of Ice

    R.M. Ballantyne

  • As for myself, I profess to be little more than a greenhorn above the snow-line.

    A Tramp's Notebook

    Morley Roberts

  • To the northward and eastward the snow-line was certainly much higher.

  • We had passed what may be called the snow-line in winter a little above 2,000 feet.

British Dictionary definitions for snow line

snow line

noun
  1. the altitudinal or latitudinal limit of permanent snow
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Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
snow line in Science

snow line

  1. The boundary marking the lowest altitude at which a given area, such as the top of a mountain, is always covered with snow.
  2. The boundary marking the furthest extent around the polar regions at which there is snow cover. The polar snow lines vary with the seasons.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.