silica

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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.