Glacial hypothesis

Glacial hypothesis
Glacial Gla"cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. --Lyell. [1913 Webster]

2. (Chem.) Resembling ice; having the appearance and consistency of ice; -- said of certain solid compounds; as, glacial phosphoric or acetic acids. [1913 Webster]

{Glacial acid} (Chem.), an acid of such strength or purity as to crystallize at an ordinary temperature, in an icelike form; as acetic or carbolic acid.

{Glacial drift} (Geol.), earth and rocks which have been transported by moving ice, land ice, or icebergs; bowlder drift.

{Glacial epoch} or {Glacial period} (Geol.), a period during which the climate of the modern temperate regions was polar, and ice covered large portions of the northern hemisphere to the mountain tops.

{Glacial theory} or {Glacial hypothesis}. (Geol.) See {Glacier theory}, under {Glacier}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Glacial — Gla cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Lyell. [1913 Webster] 2. (Chem.) Resembling ice; having the …   The Collaborative International Dictionary of English

  • Glacial acid — Glacial Gla cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Lyell. [1913 Webster] 2. (Chem.) Resembling ice;… …   The Collaborative International Dictionary of English

  • Glacial drift — Glacial Gla cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Lyell. [1913 Webster] 2. (Chem.) Resembling ice;… …   The Collaborative International Dictionary of English

  • Glacial epoch — Glacial Gla cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Lyell. [1913 Webster] 2. (Chem.) Resembling ice;… …   The Collaborative International Dictionary of English

  • Glacial period — Glacial Gla cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Lyell. [1913 Webster] 2. (Chem.) Resembling ice;… …   The Collaborative International Dictionary of English

  • Glacial theory — Glacial Gla cial, a. [L. glacialis, from glacies ice: cf. F. glacial.] 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Lyell. [1913 Webster] 2. (Chem.) Resembling ice;… …   The Collaborative International Dictionary of English

  • Glacial Lake Ojibway — was a prehistoric lake in what is now Northern Ontario. Ojibway was the last of the great proglacial lakes of the last ice age. Comparable in size to Lake Agassiz (to which it was probably linked), and north of the Great Lakes, it was at its… …   Wikipedia

  • Glacial lake outburst flood — A glacial lake outburst flood (GLOF) can occur when a lake contained by a glacier (called Jökulhlaup if it was a subglacial lake, marginal lake drainage if it was dammed between ice and the ground) or a terminal moraine dam fails. This can happen …   Wikipedia

  • Solutrean hypothesis — The Solutrean hypothesis proposes that stone tool technology of the Solutrean culture in prehistoric Europe may have later influenced the development of the Clovis tool making culture in the Americas, and that peoples from Europe may have been… …   Wikipedia

  • Iron Hypothesis — The Iron Hypothesis was formulated by oceanographer John Martin, based on theories by Joseph Hart and first tested in 1993 and may be a long term solution to the rapid production of anthropogenic carbon dioxide. In 1988, Nature published the… …   Wikipedia

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