| 释义 |
fulgurite|ˈfʌlgjʊəraɪt|
[f. L. fulgur lightning + -ite.]
1. Geol. (See quot. 1865.) Also written (less correctly) fulgorite.
1834M. Somerville Connex. Phys. Sc. xxvii. (1835) 312 Dr. Fiedler exhibited several of these fulgorites in London..dug out of the sandy plains of Silesia and Eastern Prussia. 1845Darwin Voy. Nat. iii. (1852) 60 At Paris MM. Hachette and Beudant succeeded in making tubes in most respect similar to these fulgurites. 1865Page Handbk. Geol. Terms, Fulgurite, Fulgorite, any rocky substance that has been fused or vitrified by lightning. More strictly applied to a bore or tube produced by the passage of lightning into a sandy soil. 1884Cornh. Mag. Nov. 526 In sand or rock, where lightning has struck, it often forms long hollow tubes, known to the calmly discriminating geological intelligence as fulgurites.
2. An explosive substance (see quot. 1889).
1882H. S. Drinker Tunnelling (ed. 2) 102. 1889 Cundill Dict. Explosives, Fulgurite consists of nitro-glycerine mixed with some coarsely ground farinaceous substance. 1894Daily News 22 Jan. 5/5 At Geneva a trial has been made in a quarry with the new explosive, ‘fulgurite’, under the direction of the inventor, Raoul Pictet. |