snow line

noun

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

First recorded in 1825–35

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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.
Western Himalaya and Tibet
Thomas Thomson
We had passed what may be called the snow-line in winter a little above 2,000 feet.
Hours of Exercise in the Alps
John Tyndall

British Dictionary definitions for snow line

snow line

noun

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

Science definitions for snow line