glacial
a. பனிக்கட்டிக்குரிய, பனிக்கட்டிமயமான, உறைந்த, இயல்பாய் உறைநிலையிலுள்ள, எளிதில் உறைநிலைப்படுகிற, (வேதி.) மணிஉருப்பட்ட, (மண்.) பனிப்பாளம் பரவிய, பனிப்பாளத்தின் செயலாலான.
Gla"cial, a. Etym: [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.) Defn: 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.