silica


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Related to silica: silica sand, Silica dust

silica

 [sil´ĭ-kah]
silicon dioxide, which occurs in nature as agate, amethyst, sand, quartz, chalcedony, cristobalite, and flint; it is one of the major constituents of dental porcelain, and in granular form serves as a dental abrasive and polishing agent. See also silicosis.

sil·i·ca

(sil'i-kă),
The chief constituent of sand, hence of glass.
[Mod. L. fr. L. silex (silic-), flint]

silica

/sil·i·ca/ (sil´ĭ-kah) silicon dioxide, SiO2, occurring in various allotropic forms, some of which are used in dental materials. See also silicosis.

silica (SiO2)

[sil′i·kə]
Etymology: L, silex, flint
silicon dioxide, an inorganic compound occurring in nature as agate, sand, amethyst, flint, quartz, and other stones. It is one of the major constituents of dental porcelain and a common filler in resin composites. In granular form, it serves as a dental abrasive and polishing agent. See also silicosis.

silica

Homeopathy
Silica, see there.

Toxicology
The highly fibrogenic mineral form of silicon, silicon dioxide.

Silica

Homeopathy
A homeopathic remedy prepared from quartz, which is used to stimulate the immune system and to treat abscesses, acne, athlete’s foot, breast cysts, earache, fractures, haemorrhoids, infections (colds, flu and otitis), insomnia, lymphadenopathy, periodontal disease, poor bone growth and sweating.

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]

Silica

A substance (silicon dioxide) occurring in quartz sand, flint, and agate. It is used in making glass, scouring and grinding powders, pottery, etc.
Mentioned in: Silicosis

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]

silica (sil´ikə) (quartz),

n the purest of three major ingredients that make up dental porcelain. It imparts stiffness and hardness to the product and is the framework around which the kaolin and feldspar contract.

silica

silicon dioxide, a compound occurring naturally as quartz and in other forms. A common constituent of urinary calculi in agricultural animals, a rare occurrence in dogs.

silica calculi
see silica urolith.
silica gel
commonly used in the laboratory as a desiccant; has been used topically on dogs and cats for flea control.
References in periodicals archive ?
The new design of the silica logo reflects Evonik's claim of developing innovative solutions with customers as a reliable partner.
US Silica Holdings is a producer of commercial silica used in the oil and gas industry, and in a range of industrial applications.
Exposure to silica in coal mines is the major cause for the development of silicosis and lung cancer, and a significant contributor to black lung.
Browse Full "Specialty Silica Market: Global Industry Analysis and Opportunity Assessment, 2015 - 2025" Market Research Report at http://www.
Caption: The publication profiles typical protection measures for crystalline silica exposure-prone work environments.
It was noted that this treatment significantly affected the content of silica in the ash samples.
AFS also has created a Crystalline Silica Resource page at www.
PVC-based composites were prepared by blending PVC-THF solution with 1% mass ratios of different silica fillers: 600 nm, 130 nm, and 30 nm Si[O.
China will drive growth in the region as it is by far the largest global consumer of specialty silica and will boast one of the world's fastest growth rates through 2016.
8,211,407 B2--a method of making an oral care composition which has the addition of a fused silica slurry that is comprised of silica, water and as binder;
Hirose and his colleagues took a mixture of quartz crystals and silica glass and compressed it between two small diamonds to pressures approaching 3 million times the pressure exerted by the atmosphere at sea level.
General liability underwriters can use two new exclusions filed by the Insurance Services Office to limit exposure to silica and unsolicited e-mail claims.