†(a) a meteorite; cf. aerolite, n.; (obsolete); (b) a porous block used to diffuse air in a fish pond, aquarium, etc.
| 单词 | θ5844 |
| 释义 | the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > meteorite > other meteorites (24) air-stone1608 †(a) a meteorite; cf. aerolite, n.; (obsolete); (b) a porous block used to diffuse air in a fish pond, aquarium, etc. iron1802 Geology and Astronomy. A meteorite which contains a high proportion of metallic iron. aerolite1810 Originally: any meteorite; cf. aerolith, n. Later spec.: a stony meteorite; the mineral of which this is composed; cf. aerosiderite, n. aerolith1811 A meteorite. Cf. aerolite, n. uranolite1815 A meteorite. star-glint1825 †(a) Scottish and Nautical a shooting star; a meteorite (obsolete rare); (b) chiefly poetic (a gleam of) starlight. brontolith1860 An aerolite. aerosiderite1863 A meteorite consisting mainly of nickel and iron; an iron meteorite. Also: the mineral of which this is composed; meteoric iron. Cf. aerolite, n.… aerosiderolite1863 A meteorite intermediate in character between stone and iron; a stony-iron meteorite. Also: the mineral of which this is composed. Cf. aerolite, n.… pallasite1863 Any of a class of stony-iron meteorites composed largely of olivine crystals enclosed in a network of nickel-iron. siderolite1863 A meteorite composed of a mixed mass of metal (mainly iron-nickel alloy) and silicate minerals; (also) the material of this. Cf. stony-iron n. adj.… siderite1866 Geology and Astronomy. A meteorite consisting predominantly of metal (mainly iron-nickel alloy); = iron, n.1 4; (also) the material of this. mesosiderite1868 A stony-iron meteorite in which the principal silicates are pyroxene and plagioclase. howardite1881 Astronomy. Any of a group of achondritic meteorites principally composed of hypersthene and anorthite. chondrite1883 Mineralogy. A meteorite containing granules. oligosiderite1883 a stony meteorite containing a small amount of iron. plessite1885 An inhomogeneous mixture of kamacite and taenite found in some iron meteorites. diogenite1895 Any of a group of calcium-poor achondrite meteorites that consist mainly of hypersthene or bronzite. achondrite1904 A stony meteorite containing no chondrules. Contrasted with chondrite, n. 2. octahedrite1905 An iron meteorite which shows a Widmanstätten structure on etching, due to intimate intergrowths of plates of kamacite with narrow borders of… nakhlite1916 Any of a class of achondritic stony meteorites which originate from Mars and are rich in augite. ureilite1916 Any of a group of calcium-poor achondrite meteorites that consist mainly of olivine and pigeonite. stony-iron1918 used to designate meteorites which contain appreciable quantities of both stony material and iron. micrometeorite1949 A micrometeoroid; esp. one that has passed through the earth's atmosphere. |
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