glacial

1. a. Pertaining to ice or to its action; consisting of ice; frozen; icy; esp., pertaining to glaciers; as, glacial phenomena. Source: opted

2. a. Resembling ice; having the appearance and consistency of ice; -- said of certain solid compounds; as, glacial phosphoric or acetic acids. Source: opted

3. adj. relating to or derived from a glacier Source: wordnet

4. adj. devoid of warmth and cordiality; expressive of unfriendliness or disdain Source: wordnet

5. adj. extremely cold Source: wordnet

6. 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. Source: webster

7. Resembling ice; having the appearance and consistency of ice; -- said of certain solid compounds; as, glacial phosphoric or aceticacids. Glacial acid (Chem.), an acid of such strength or purity as tocrystallize at an ordinary temperature, in an icelike form; as aceticor carbolic acid.-- Glacial drift (Geol.), earth and rocks which have beentransported by moving ice, land ice, or icebergs; bowlder drift.-- Glacial epoch or period (Geol.), a period during which theclimate of the modern temperate regions was polar, and ice coveredlarge portions of the northern hemisphere to the mountain tops.-- Glacial theory or hypothesis. (Geol.) See Glacier theory, underGlacier. Source: adambom

8. j:100 a. relating to or derived from a glacier Source: ecdict

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