| 释义 |
silicon dioxide
silicon dioxiden. Silica.Thesaurus| Noun | 1. |  silicon dioxide - a white or colorless vitreous insoluble solid (SiO2); various forms occur widely in the earth's crust as quartz or cristobalite or tridymite or lechatelieritesilica, silicon oxidecristobalite - a white mineral consisting of silica; found in volcanic rocksquartz - a hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impuritieschert - variety of silica containing microcrystalline quartzflint - a hard kind of stone; a form of silica more opaque than chalcedonylechatelierite, quartz, quartz glass, vitreous silica, crystal - colorless glass made of almost pure silicaoxide - any compound of oxygen with another element or a radicalsilex - a pure form of finely ground silicatridymite - a mineral form of silica |
Translationssilicon dioxide
silicon dioxide: see silicasilica
or silicon dioxide,
chemical compound, SiO2. It is insoluble in water, slightly soluble in alkalies, and soluble in dilute hydrofluoric acid. Pure silica is colorless to white.
..... Click the link for more information. .silicon dioxide[′sil·ə·kən dī′äk‚sīd] (inorganic chemistry) SiO2 Colorless, transparent crystals, soluble in molten alkalies and hydrofluoric acid; melts at 1710°C; used to make glass, ceramic products, abrasives, foundry molds, and concrete. silica, silicon dioxideA white or colorless substance, nearly insoluble in water and in all acids except hydrofluoric; extremely hard; fuses to a colorless amorphous glass.silicon dioxide(SiO2) A hard, glassy mineral found in materials such as rock, quartz, sand and opal. In metal oxide semiconductor (MOS) chip fabrication, silicon dioxide is used to create the insulation layer between the metal gates of the top layer and the silicon elements below. See silica gel.silicon dioxide
silicon [sil´ĭ-kon] a chemical element, atomic number 14, atomic weight 28.086, symbol Si. (See Appendix 6.)silicon dioxide silica.sil·i·ca (sil'i-kă), The chief constituent of sand, hence of glass. Synonym(s): silicic anhydride, silicon dioxide [Mod. L. fr. L. silex (silic-), flint] silicon dioxiden. Silica.sil·i·ca (sil'i-kă) The chief constituent of sand, hence of glass.
Synonym(s): silicon dioxide. [Mod. L. fr. L. silex (silic-), flint]sil·i·ca (sil'i-kă) The chief constituent of sand, hence of glass.
Synonym(s): silicon dioxide. [Mod. L. fr. L. silex (silic-), flint]See SIO2
See SIO2silicon dioxide
Synonyms for silicon dioxidenoun a white or colorless vitreous insoluble solid (SiO2)SynonymsRelated Words- cristobalite
- quartz
- chert
- flint
- lechatelierite
- quartz glass
- vitreous silica
- crystal
- oxide
- silex
- tridymite
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