| 单词 | bottom ice |
| 释义 | > as lemmasbottom ice bottom ice n. (a) ice formed or lying at the bottom of a river or sea; anchor ice; (b) ice forming the lowest layer of a glacier or of a sheet of floating ice. ΘΚΠ the world > the earth > water > ice > body of ice > [noun] > at bottom of lake, river, etc. ground-ice1694 anchor ice1815 bottom ice1816 stock-frost1856 stock-ice1879 frazil1888 1816 Ann. Philos. 8 60 Bottom ice would have been formed in this river, as it had been about eight years before. 1875 Pop. Sci. Monthly Aug. 504/2 In innumerable fractures of the sides of the glaciers, of the surface-ice flowing on and over bottom-ice, there are friction and attrition, ice moving against ice. 1882 A. Geikie Text-bk. Geol. ii. ii. §6. 111 Water-ice is formed..by the freezing of the layer of water lying on the bottom of rivers, or the sea (bottom-ice, ground-ice, anchor-ice). 1986 I. A. Zotikov Thermophysics of Glaciers vi. 137 Annual layers may not always be present; for instance, such layers may not form during the freezing of the bottom ice of a glacier. 2007 G. A. Knox Biol. Southern Ocean (ed. 2) iii. 79/2 The bottom ice assemblage may be formed when phytoplankton cells are scavenged by frazil platelets that attach and freeze to the underside of the ice. < as lemmas |
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