单词 | nuée ardente |
释义 | nuée ardenten. Geology. An incandescent cloud of gas, ash, and lava fragments ejected from a volcano, typically as part of a pyroclastic flow. ΘΚΠ the world > the earth > structure of the earth > constituent materials > ejected volcanic material > [noun] > volcanic cloud nuée ardente1904 nuée1935 1904 A. Heilprin Tower of Pelée iv. 47 Professor Lacroix..refers to a number of discharges of the nuée ardente breaking out laterally from the base of the obelisk surmounting the crater-cone. 1935 Publ. Carnegie Inst. Washington No. 458. 89 The ejections followed one another at such brief intervals as to form an unbroken procession of nuées ardentes. 1954 J. F. Kirkaldy Gen. Princ. Geol. x. 116 In 1902 a nuée ardente from Mt. Pelée in the island of Martinique swept down on the town of St. Pierre, asphyxiating 30,000 people in a few minutes. 1969 G. M. Bennison & A. E. Wright Geol. Hist. Brit. Isles v. 94 The ignimbrites..are the product of nuées ardentes—the fiery cloud of lava and gas which occurs when lavas are silica rich and viscous. 1993 New Scientist (Inside Sci. section) 4/2 The flows may glow as they thunder away from the volcano, earning them the name nuées ardentes. This entry has been updated (OED Third Edition, December 2003; most recently modified version published online March 2022). < |
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