Meanings
plural frost lines · alternative frostline
- The depth to which the water present in the soil is expected to freeze in winter.
The uninsulated water pipes must be installed below the frost line to prevent them from freezing.
Synonyms: frost depth, freezing depth
- The depth to which the water present in the soil is actually frozen in a given place at a given point in time.
Due to the thin layer of snow on the ground the frost line has penetrated unusually deep this year.
Synonyms: frost front
- astrophysicsIn a solar system, the distance from the protosun beyond which hydrogen-containing gas compounds freeze.
In our Solar System the frost line lies between Mars and Jupiter at about five astronomical units from the Sun.
Synonyms & antonyms
nounThe depth to which the water present in the soil is expected to freeze in winter.
nounThe depth to which the water present in the soil is actually frozen in a given place at a given point in time.
nounIn a solar system, the distance from the protosun beyond which hydrogen-containing gas compounds freeze.
Translations
Dutch vorstgrens, vorstgrens
- vorstgrensexpected depth of soil freezing
- vorstgrensactual depth of soil freezing
Finnish routaraja, routaraja
- routarajaexpected depth of soil freezing
- routarajaactual depth of soil freezing
- jäärajaastronomy: distance from the protosun
German Frosttiefe
- Frosttiefeactual depth of soil freezing
Cite this entry
frost line. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/frost%20line
“frost line.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/frost%20line. Accessed November 4, 2026.
WatkinsX Dictionary, s.v. “frost line,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/frost%20line.
Source: frost line on Wiktionary, CC BY-SA 4.0.