英语词汇“tektite”的英英意思、用法、释义、翻译、读音、例句、短语、词组、英语词典-本地帮

单词

tektite

释义

tektite|ˈtɛktaɪt|
[ad. G. tektit (F. E. Suess 1900, in Jahrb. d. K.-K. Geol. Reichsanstalt L. 194), f. Gr. τηκτ-ός molten (f. τήκειν to make molten): see -ite¹.]
One of the small, roundish, glassy bodies of unknown origin that occur scattered over various parts of the earth.
1909[see billitonite].1935Times 28 Jan. 15/4 ‘Tektites’ from Bohemia and Moravia have for more than 150 years been cut as gem stones under the names ‘obsidian’, ‘water chrysolite’ and ‘moldavite’.1936[see australite].1956Antiquity XXX. 70 These stone implements, together with the fossil remains of the stegodon (an extinct elephant), rhinoceros and other mammals, were often found in association with tektites, a form of glass meteorite.1963[see obsidianite].1969Times 29 Aug. 10/3 Tektites, glassy, button-shaped objects which are probably of extraterrestrial origin, have been found in the Libyan desert and dated by radioactive methods to 35 million years ago.1971Sci. Amer. Oct. 55/2 Well-preserved Australian tektites show clear evidence of aerodynamic shaping.
b. attrib., as tektite field = strewn field.
1960Listener 22 Dec. 1141/2 Some of the tektite fields are well away from either active or extinct volcanoes.1968R. A. Lyttleton Mysteries Solar Syst. vi. 183 There are eight main areas in the world generally accepted to be genuine tektite-fields.

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