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Related to glacial: Glacial erosion
designating a highly pure state of certain acids, such as acetic acid, so called because the freezing point is only slightly below room temperature.
Miller-Keane Encyclopedia and Dictionary of Medicine, Nursing, and Allied Health, Seventh Edition. © 2003 by Saunders, an imprint of Elsevier, Inc. All rights reserved.
glacial(glā′shĭl) [L. glacialis, icy]
1. Glassy; resembling ice.
2. Highly purified.
3. Very slow, like the movement of a glacier.
Medical Dictionary, © 2009 Farlex and Partners
glacialpertaining to the PLEISTOCENE epoch during which there were several glaciations.
Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005