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Glacial
(redirected from Glacials)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.
glacial
1. characterized by the presence of masses of ice
2. relating to, caused by, or deposited by a glacier
3. (of a chemical compound) of or tending to form crystals that resemble ice

glacial [′glā·shəl]
(geology)
Pertaining to an interval of geologic time which was marked by an equatorward advance of ice during an ice age; the opposite of interglacial; these intervals are variously called glacial periods, glacial epochs, glacial stages, and so on.
(hydrology)
Pertaining to ice, especially in great masses such as sheets of land ice or glaciers.

Glacial 

intervals of time in the geological history of the earth, characterized by a strong cooling of the climate and the development of extensive continental ice sheets.



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In addition to those mentioned above, appendixes provide supplementary information on tropical cyclones and storms; tornadoes; laws, regulations, and international agreements; the geologic timescale; glacials and integlacials, scientific instrument units and conversions, and disaster and discovery chronologies.
He declared with particular reference to the Permian glacials present in the tropics of India and Africa, that 'it will now be necessary to explain not only the former presence of the great ice sheet in the tropics but marked alternations of seasons too.
A combination of factors probably contributed to this generalised relationship: the abundance of mass-flowering myrtaceous trees, aridity during past glacials which may have removed specialists from the system, and the sharing of nectar sources with bats.
 
 
 
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