单词 | peléan |
释义 | Peléanadj.2 Geology. Of, relating to, or designating a type of volcanic eruption characterized by the vertical extrusion from the centre of very viscous lava which tends to form a solid plug or dome, and the lateral emission of nuées ardentes from points of weakness in the flank. ΘΚΠ the world > the earth > structure of the earth > formation of features > convulsion > [adjective] > volcanic activity > type or stage of Vulcanian1892 Strombolian1897 Peléan1903 Plinian1903 phreatic1909 1903 T. Anderson & J. S. Flett in Philos. Trans. (Royal Soc.) A. 200 499 We propose to adopt the term ‘A Peléan Eruption’ to designate this group of phenomena. 1934 C. R. Longwell et al. Outl. Physical Geol. x. 189 The Peléean phase is the most violently explosive of all. 1965 A. Holmes Princ. Physical Geol. (rev. ed.) xii. 310 There are nuée ardente eruptions that differ in certain fundamental ways from those described as Peléan. 2003 New Scientist 15 Feb. 48/4 It was the prototype for what vulcanologists now call a Pelean eruption. This entry has been updated (OED Third Edition, September 2005; most recently modified version published online March 2022). < adj.21903 |
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