| glacial | 1. Pertaining to ice or to its action; consisting of ice; frozen; icy; especially, pertaining to glaciers; as, glacial phenomena. 2. <chemistry> Resembling ice; having the appearance and consistency of ice; said of certain solid compounds; as, glacial phosphoric or acetic acids. <chemistry> Glacial acid See Glacier theory, under Glacier. Origin: L. Glacialis, from glacies ice: cf. F. Glacial. Source: Websters Dictionary (01 Mar 1998) |
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| glacial phosphoric acid | An anhydride of phosphoric acid used as a reagent, and in the manufacture of zinc oxyphosphate cement for dentistry. Synonym: metaphosphoric acid. (05 Mar 2000) |
| glacialist | One who attributes the phenomena of the drift, in geology, to glaciers. Source: Websters Dictionary (01 Mar 1998) |