单词 | siliceous |
释义 | siliceousadj. Containing or consisting of silica; of the nature of silica: a. Of mineral substances. ΘΚΠ the world > the earth > minerals > types of mineral > silicates > [adjective] siliceous1656 the world > the earth > minerals > mineral sources > [adjective] > yielding a mineral or metal > silcia siliceous1656 silicious1721 siliciferous1794 silicited1794 silicated1806 the world > the earth > structure of the earth > constituent materials > rock > mineral or chemical composition > [adjective] > containing specific mineral siliceous1656 auriferous1744 siliciferous1794 silicited1794 talcose1794 aluminiferous1804 silicated1806 venigenous1817 stanniferous1823 alumiferous1826 quartziferous1831 quartzofeldspathic1839 stannified1855 tinnified1855 acidic1876 lime-silicate1888 peralkalic1902 potassic1902 sodic1902 sodipotassic1902 felsic1912 peralkaline1913 peraluminous1927 1656 T. Blount Glossographia Siliceous,..of or pertaining to flint, flinty. 1783 W. Withering tr. T. Bergman Outl. Mineral. 59 Siliceous Earth. 1794 R. J. Sulivan View of Nature I. 430 What some call vitrescent earths, others denominate siliceous. 1813 H. Davy Elements Agric. Chem. iv. 169 Siliceous sandstone, which is composed of fine quartz or sand, united by a siliceous cement. 1851 T. Wright & G. F. Richardson Introd. Geol. (new ed.) xii. 380 The upper greensand, in some localities,..consists of a sharp siliceous sand. 1879 A. R. Wallace Australasia iv. 71 They consist of..sandy ironstone, or even hard siliceous rock enclosing quartz pebbles. b. Of plant or animal structures. ΘΚΠ the world > life > biology > substance > [adjective] > other types of organical1770 siliceous1813 molecular1826 fibroid1852 homoblastic1888 pseudostratified1900 homostatic1952 homovital1952 the world > plants > part of plant > cell or aggregate tissue > [adjective] > characterized by substance carried or produced silicious1721 folliculous1757 folliculose1797 siliceous1813 amyliferous1865 1813 H. Davy Elements Agric. Chem. iii. 51 The siliceous epidermis..protects the bark from the action of insects. 1845 C. Darwin Jrnl. (ed. 2) i. 5 This dust consists..of infusoria with siliceous shields, and of the siliceous tissue of plants. 1868 Carpenter in Sci. Opin. 174/2 Imbedded in this mud there came up an extraordinary collection of siliceous sponges. This entry has not yet been fully updated (first published 1910; most recently modified version published online June 2022). < adj.1656 |
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