acetic acid of at least 99.5 percent concentration, solidifying at 16.7°C.
pure acetic acid (more than 99.8 per cent)
noun, Geology. 1. material, as gravel, sand, or clay, transported and deposited by a glacier or by glacial meltwater.
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.
[gley-shuh-list] /ˈgleɪ ʃə lɪst/ noun 1. a person who studies geological phenomena involving the action of ice, especially of glaciers.
[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 […]