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
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silica::noun | Spocien Dictionary
| Type | Words |
|---|---|
| Synonyms | silicon dioxide, silicon oxide |
| Type of | oxide |
| Has types | flint, silex, chert |
| Derivation | siliceous, silicious |
Examples of silica
silica
Liquid silica, on the other hand, will form glass even when it is cooled slowly.
From the sciencedaily.com
Over eons, the silica replaced the cells of the wood, crystallizing into quartz.
From the ocregister.com
Next, an aliquot of the above-mentioned larger, untreated silica beads is added.
From the nature.com
The process begins when a specimen is permeated with an aqueous silica solution.
From the en.wikipedia.org
Diatoms are microscopic, single-celled algae with cell walls composed of silica.
From the sciencedaily.com
The majority of optical fibers for telecommunications are also made from silica.
From the en.wikipedia.org
In this plant, zircon, rutile and ilmenite are separated from the silica gangue.
From the en.wikipedia.org
The silica was likely produced in an environment of hot springs or steam vents.
From the sciencedaily.com
Each diatom is composed of one cell in a clear silica outer wall and is mobile.
From the sciencedaily.com
- 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
- The chemical compound silicon dioxide, also known as silica (from the Latin silex), is an oxide of silicon with a chemical formula of '''''' and has been known for its hardness since antiquity. Silica is most commonly found in nature as sand or quartz, as well as in the cell walls of diatoms. ...
- Silicon dioxide; Any of the silica group of the silicate minerals
- Silica can be found in water as a natural forming mineral or an additive to public water supplies. Silica is not regulated by the EPA and does not cause any health concerns. However, silica can cause spotting of glassware, fixtures, and automobiles during the cleaning process.
- Derived from sand; water repellent and lubricant.
- Material used in making kiln wash. Silica sand is used for propping porcelain.
- A white powder, slightly soluble in water, which occurs abundantly in nature.
- A combination of silicon and oxygen. The mineral form is called quartz.
- (SILL-uh-kuh): A substance found in rocks, sand, and quartz as well as some workplaces.
