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snow line

the line, as on mountains, above which there is perpetual snow.
the latitudinal line marking the limit of the fall of snow at sea level.
Origin of snow line
1825-35 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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Examples from the Web for snow-line
Historical Examples
  • Snow-finches and the Eastern alpine accentor appeared to be resident up to the snow-line.

    Mount Everest the Reconnaissance, 1921 Charles Kenneth Howard-Bury
  • This summit is covered with snow; and it is under the snow-line he usually makes his haunt.

    Bruin Mayne Reid
  • From the heat of the country, the snow-line lies high; the chosen pass is in the latitude of Constantinople or Oporto.

    Greater Britain Charles Wentworth Dilke
  • You must know that there is a line on all high mountains which is called the snow-line.

    Rivers of Ice R.M. Ballantyne
  • In about an hour we saw a large bear traveling at a rapid gait—at times running—along the mountain just at the snow-line.

  • It lives high up on the mountainsides and close to the snow-line.

    Our Little Swiss Cousin Mary Hazelton Wade
  • In Switzerland, where the elevations are so much greater, the snow-line varies from 8000 to 8800 feet above the level of the sea.

  • Rocks are scratched and grooved five miles below the present snow-line.

    The Columbia River William Denison Lyman
  • Its snow-line is at the altitude of 7000 feet, and from this altitude upward only a few crags and rocky ridges show.

    Your National Parks Enos A. Mills
  • A floating idea of going up above the snow-line in Switzerland, and living in some astonishing convent, hovers about me.

British Dictionary definitions for snow-line

snow line

the altitudinal or latitudinal limit of permanent snow
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
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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.

The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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