| 单词 | air-stone |
| 释义 | > as lemmasair-stone air-stone n. †(a) a meteorite; cf. aerolite n.; (obsolete); (b) a porous block used to diffuse air in a fish pond, aquarium, etc. ΘΚΠ the world > the universe > constellation > comet or meteor > meteor > [noun] > meteorite > aerolite air-stone1608 aerolite1810 aerolith1811 uranolite1815 brontolith1860 oligosiderite1883 the world > the earth > structure of the earth > constituent materials > stone > a stone > [noun] > meteorite > other meteorites air-stone1608 iron1802 aerolite1810 aerolith1811 uranolite1815 star-glint1825 brontolith1860 aerosiderite1863 aerosiderolite1863 pallasite1863 siderolite1863 siderite1866 mesosiderite1868 howardite1881 chondrite1883 oligosiderite1883 plessite1885 diogenite1895 achondrite1904 octahedrite1905 nakhlite1916 ureilite1916 stony-iron1918 micrometeorite1949 1608 Let. in T. Wright Dict. Obs. & Provincial Eng. (1857) I. 43/1 They talk of divers prodigies..but specially airstones. 1813 J. M. Good et al. Pantologia Aeroliths, air-stones: a name lately given to those solid bodies composed of several mineral substances, which have been seen to fall from the atmosphere. 1879 H. W. Warren Recreations in Astron. vi. 123 These are called aerolites or air-stones. 1942 Biol. Bull. 82 376 Air was bubbled continuously through porous ‘air-stones’. 2003 Pract. Fishkeeping Aug. 12/4 The oxygen content should be moderate to high... This can be provided through the use of filtration, airstones or diffusers. < as lemmas |
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