frost line
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See also: frostline
English
Alternative forms
Noun
frost line (plural frost lines)
- The depth to which the water present in the soil is expected to freeze in winter.
- Synonyms: frost depth, freezing depth
- The uninsulated water pipes must be installed below the frost line to prevent them from freezing.
- The depth to which the water present in the soil is actually frozen in a given place at a given point in time.
- Synonym: frost front
- Due to the thin layer of snow on the ground the frost line has penetrated unusually deep this year.
- (astrophysics) In a solar system, the distance from the protosun beyond which hydrogen-containing gas compounds freeze.
Translations
expected depth of soil freezing
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actual depth of soil freezing
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astronomy: distance from the protosun
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