- (a.) Pertaining to ice or to its action; consisting of ice; frozen; icy; especially, pertaining to glaciers; as, glacial phenomena.
- (a.) Resembling ice; having the appearance and consistency of ice; -- said of certain solid compounds; as, glacial phosphoric or acetic acids.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). glacial. Retrieved September 20, 2026, from http://smartdefine.org/glacial/definitions/2012334 |
| Chicago | Webster's. 2011. "glacial" http://smartdefine.org/glacial/definitions/2012334 (accessed September 20, 2026). |
| Harvard | Webster's 2011, glacial, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/glacial/definitions/2012334>. |
| MLA | Webster's. "glacial" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/glacial/definitions/2012334> |