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; 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.

Look at other dictionaries:

  • glacial drift — noun : drift 2g(2) * * * Geol. material, as gravel, sand, or clay, transported and deposited by a glacier or by glacial meltwater. Also called drift. Cf. till4. * * * glacial drift, clay, gravel, sand, or other rock material transported or… …   Useful english dictionary

  • glacial drift — Geol. material, as gravel, sand, or clay, transported and deposited by a glacier or by glacial meltwater. Also called drift. Cf. till4. * * * …   Universalium

  • glacial drift —    (not recommended)    use drift …   Glossary of landform and geologic terms

  • glacial drift — noun An accumulation of earth and rock which have been transported by moving ice, land ice, or icebergs …   Wiktionary

  • glacial drift —    Sediment material contained, transported, and deposited by glaciers [16] …   Lexicon of Cave and Karst Terminology

  • 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 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 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;… …   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

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