frostline
Americannoun
-
the maximum depth at which soil is frozen.
-
the lower limit of permafrost.
Etymology
Origin of frostline
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Earlier this spring, Small stood on the ridge of the vineyard, gazing out at the white frostline that cut across the hills.
From Seattle Times
In the winter, the snakes slither into the crevices deep below the frostline and spend about eight months of the year there.
From US News
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
