| 单词 | frost thrust |
| 释义 | > as lemmasfrost thrust frost thrust n. and adj. chiefly Geology (a) n.= frost thrusting n.; (b) adj. formed or displaced by frost thrusting. ΘΚΠ the world > the earth > structure of the earth > formation of features > movement of material > [noun] > disturbance by frost frost heave1853 frost thrust1893 cryoturbation1946 the world > the earth > structure of the earth > formation of features > movement of material > [adjective] > disturbance by frost frost-heaved1836 frost thrust1893 1893 Amer. Architect & Building News 7 Oct. 3/2 Any wall to resist the frost-thrust must be at least 12″ thick. 1946 K. Bryan in Amer. Jrnl. Sci. 244 625 There is no common expression for the lateral thrust resulting from expansion although horizontal as contrasted with vertical frost-thrust would sufficiently carry the meaning. 1951 Jrnl. Geol. (Chicago) 59 65 Frost-thrust blocks refers to the blocks of rock which have been moved by frost-thrusting. 1984 Arctic & Alpine Res. 16 391/2 Frost-thrust wedges..were identified, introducing silt and unweathered material into a narrow surface zone. 2003 C. J. Zabel & R. G. Anthony Mammal Community Dynamics i. ii. 12 Tree survival often becomes more difficult as the canopy closes because..frost heave and frost thrust increase. < as lemmas |
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