frostline
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Related to frostline: Freezing depth
frostline
(ˈfrɒstˌlaɪn)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
frost•line
(ˈfrɔstˌlaɪn, ˈfrɒst-)n.
1. the maximum depth at which soil is frozen.
2. the lower limit of permafrost.
[1860–65, Amer.]
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