frost heaving

frost heaving
noun see frost heave

New Collegiate Dictionary. 2001.

Look at other dictionaries:

  • Frost heaving — (or frost heave) occurs when soil expands and contracts due to freezing and thawing. This process can damage plant roots through breaking or desiccation, cause cracks in pavement, and damage the foundations of buildings, even below the frost line …   Wikipedia

  • frost heaving — noun upthrust of ground or pavement caused by the freezing of moist soil • Syn: ↑frost heave • Hypernyms: ↑geological phenomenon * * * noun see frost heave …   Useful english dictionary

  • Frost — is the solid deposition of water vapor from saturated air. It is formed when solid surfaces are cooled to below the dew point of the adjacent air. [cite web |url= causes frost.htm |title=What causes frost?… …   Wikipedia

  • Frost law — Frost laws are seasonal restrictions on road traffic weight limits and speeds.In climates that experience below freezing temperatures, frost heaving damage to roads have led to many U.S. states to enact laws.Michigan, for example, during the… …   Wikipedia

  • frost heave — noun upthrust of ground or pavement caused by the freezing of moist soil • Syn: ↑frost heaving • Hypernyms: ↑geological phenomenon * * * noun or frost heaving : an upthrust of ground caused by freezing of moist soil (as under a footing or… …   Useful english dictionary

  • Frost weathering — A rock in Abisko fractured (along existing joints) possibly by mechanical frost weathering or thermal stress Frost weathering is a collective name for several mechanical weathering processes induced by stresses created by the freezing of water… …   Wikipedia

  • Frost line — The frost line also known as frost depth or freezing depth is most commonly the depth that the groundwater in soil is expected to freeze. The frost depth depends on the climatic conditions of an area, the heat transfer properties of the soil and… …   Wikipedia

  • frost heave — noun Date: 1941 an upthrust of ground or pavement caused by freezing of moist soil called also frost heaving …   New Collegiate Dictionary

  • frost heave — noun the uplift of soil or other surface deposits due to expansion of groundwater on freezing. Derivatives frost heaving noun …   English new terms dictionary

  • permafrost — /perr meuh frawst , frost /, n. (in arctic or subarctic regions) perennially frozen subsoil. Also called pergelisol. [1943; PERMA(NENT) + FROST] * * * Perennially frozen earth, with a temperature below 32 °F (0 °C) continuously for two years or… …   Universalium

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