单词 | hydrolaccolith |
释义 | > as lemmashydrolaccolith hydrolaccolith n. Brit. /ˌhʌɪdrə(ʊ)ˈlakəlɪθ/ , U.S. /ˌhaɪdroʊˈlækəˌlɪθ/ [from its resemblance to a laccolith n.] Physical Geography an underground mass of ice in a region of permafrost which tends to increase in size and thrust up the overlying soil forming a mound; a mound so formed, esp. a pingo.ΘΚΠ the world > the earth > water > ice > land ice > [noun] > mass of ice in permafrost region ice wedge1865 hydrolaccolith1955 1955 M. Hollander tr. P. H. Kuenen Realms Water v. 220 (caption) Hydrolaccolith or hummock caused when ground-water under artesian pressure is checked by formation of layers of ice. 1961 L. D. Stamp Gloss. Geogr. Terms 244/2 The pingos in East Greenland but not those in the Mackenzie delta are hydrolaccoliths. 1968 R. W. Fairbridge Encycl. Geomorphol. 845/2 The genetic term hydrolaccolith, which applies to all ice-intrusions, is not just synonymous with pingo. 1970 E. Watson tr. J. Tricart Geomorphol. Cold Environments ii. i. 78 These ice masses and the hills which they raise are called hydrolaccoliths. < as lemmas |
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