| 单词 | iron fall |
| 释义 | > as lemmasiron fall iron fall n. Geology and Astronomy an iron meteorite, esp. one whose descent was observed; cf. fall n.2 38. ΘΚΠ the world > the universe > constellation > comet or meteor > meteor > [noun] > meteorite > aerosiderite > fall iron fall1846 1846 Amer. Jrnl. Sci. 52 385 We find in the weight of the two iron-falls (Croatia, 1752, and Tennessee, 1835) as set off against that of all the stones.., a ratio approximating that of one (for irons) to twenty (for stones). 1897 Jrnl. Geol. (Chicago) 5 128 There is normally a great excess of stone over iron falls. 1962 Science 8 June 875/3 For the iron ‘falls’, Aroos..and Sikhote Alin, the Cl36 contents have been measured. 2009 P. Metevelis Japanese Mythol. & Primeval World 224 Did they compare Canyon Diablo finds with more recent iron falls, and discover a family resemblance among them? < as lemmas |
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