English Dictionary: glacial | by the DICT Development Group |
2 results for glacial | |
From WordNet (r) 3.0 (2006) [wn]: | |
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From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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. 2. (Chem.) Resembling ice; having the appearance and consistency of ice; -- said of certain solid compounds; as, glacial phosphoric or acetic acids. {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] 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] hypothesis}. (Geol.) See {Glacier theory}, under {Glacier}. |