frost line


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frost line

n.
1. The depth to which frost penetrates the earth.
2. The altitude below which frost does not occur, especially in tropical regions.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

frost line

n
1. (Geological Science) the deepest point in the ground to which frost will penetrate
2. (Geological Science) the limit towards the equator beyond which frosts do not occur
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations

frost line

nFrostgrenze f
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007
References in periodicals archive ?
It is a "happy bubble," locked into the air ring and with the frost line at the perfect height; level, straight, no dips, no spikes and no bubble flares.
In regards to GJ 3470 b, Benneke says they think it may have formed close to its star, inside a boundary called the frost line where heavier materials (oxygen and carbon) reside.
Water lines are at risk of rupturing when the frost line extends about four feet into the ground, Barrrilleaux said.
For those that are better at burrowing into the ground, they dig deep into the earth's soil and hibernate, safely below the frost line.
Generally, such a site in the Northeast will be underground, below the frost line, such as a small den, but some creatures choose to spend winters under logs, in hollow trees, or in moist, loose soil.
Dad said that the holes had to reach below the frost line or the soil would "barf out the post.
Unlike a footing or poles for a pole barn, fence posts don't typically extend past the frost line. The rule of thumb for setting your fence post depth is this; not less than one-third the overall length of the pole and not more than half the overall length.
At the frost line, the bubble is at its maximum diameter and there is effectively no further stretching.
"The frost line was six and a half feet, and drilling through the frost wasn't a problem," DeForest said.
They usually spend the day before a funeral opening the ground, sometimes using jackhammers to break through the frost line, Robert Antonelli, the assistant commissioner of the Department of Public Works and Parks, said.
Lines buried below the frost line are less susceptible to the effect of frost heave since the earth movement typically occurs above the frost line.