| 单词 | silicon dioxide |
| 释义 | silicon dioxide (once / 358161 pages) n WORD FAMILY silicon dioxide USAGE EXAMPLESThe material belongs to a category known as oxide glasses, which mainly consist of silicon dioxide - but with their strength boosted by alumina. BBC(Nov 03, 2015) Accounting for its other constituents, like silicon dioxide, and doing some simple math, she concluded that frit was about 62 percent lead oxide. Slate(Jul 02, 2015) It consists of four layers of silicon dioxide interspersed with three of hafnium dioxide. Economist(Nov 27, 2014) n a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelierite Syn|Hypo|Hyper silica, silicon oxide chert variety of silica containing microcrystalline quartz flinta hard kind of stone; a form of silica more opaque than chalcedony silexa pure form of finely ground silica gunflintthe piece of flint that provides the igniting spark in a flintlock weapon taconitea variety of chert containing magnetite and hematite; mined as a low-grade iron ore firestonea piece of flint that is struck to light a fire flintstonepebbles of flint used in masonry construction oxide any compound of oxygen with another element or a radical |
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