Glacial-epoch
noun
1.
Also called glacial period, ice age. the geologically recent Pleistocene Epoch, during which much of the Northern Hemisphere was covered by great ice sheets.
2.
any one of the Permian, Carboniferous, Cambrian, or Precambrian glaciations.
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[gley-shuh-list] /ˈgleɪ ʃə lɪst/ noun 1. a person who studies geological phenomena involving the action of ice, especially of glaciers.
- Glacially
[gley-shuh l] /ˈgleɪ ʃəl/ adjective 1. of or relating to or ice sheets. 2. resulting from or associated with the action of ice or : glacial terrain. 3. characterized by the presence of ice in extensive masses or . 4. bitterly cold; icy: a glacial winter wind. 5. happening or moving extremely slowly: The work […]
- Glacial-meal
noun 1. finely ground rock material produced by the grinding action of a glacier on its bed.
- Glacial-milk
noun 1. waters of a glacial stream in which particles of light-colored silt are suspended.
- Glacial striation
glacial striation One of several, long, straight, parallel lines or grooves in a bedrock surface, formed by boulders, gravel, and pebbles embedded in a glacier that has passed over the surface.