| 'Greek letter alpha' | angular acceleration; first [carbon atom next to the carbon atom bearing the active group in organic... |
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| beta [Greek letter beta] | an anomer of a carbohydrate; buffer capacity; carbon separated from a carboxyl by one other carbon i... |
| SCR | Schick conversion rate; short consensus repeat; silicon-controlled rectifier; skin conductance respo... |
| SCS | Saethre-Chotzen syndrome; shared computer system; silicon-controlled switch; Society of Clinical Sur... |
| Si | the most anterior point on the lower contour of the sella turcica [point]; silicon |
| Si | Silicon |
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| SiC | Silicon carbide |
| EACs | Endocrine active compounds |
| NOC | N-Nitroso compounds |
| OPC | Organophosphorus compounds |
| silicon compounds | Inorganic compounds that contain silicon as an integral part of the molecule. (12 Dec 1998) |
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| colloidal silicon dioxide | A submicroscopic fumed silica prepared by the vapor-phase hydrolysis of a silicon compound; used as a tablet diluent and as a suspending and thickening agent. (05 Mar 2000) |
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| silicon | <chemistry, element> A nonmetalic element analogous to carbon. It always occurs combined in nature, and is artificially obtained in the free state, usually as a dark brown amorphous powder, or as a dark crystalline substance with a meetallic luster. Its oxide is silica, or common quartz, and in this form, or as silicates, it is, next to oxygen, the most abundant element of the earth's crust. Silicon is characteristically the element of the mineral kingdom, as carbon is of the organic world. Abbreviation: Si Atomic weight: 28. Synonym: silicium. See: Silica. Source: Websters Dictionary (01 Mar 1998) |
| silicon dioxide | <chemical> Silica. Transparent, tasteless crystals found in nature as agate, amethyst, chalcedony, cristobalite, flint, sand, quartz, and tridymite. The compound is insoluble in water or acids except hydrofluoric acid. Chemical name: Silica (12 Dec 1998) |
| alicyclic compounds | See: cyclic compound. (05 Mar 2000) |
| alkylmercury compounds | Organic mercury compounds in which the mercury is attached to an alkyl group. (12 Dec 1998) |
| alum compounds | Aluminum metal sulfate compounds used medically as astringents and for many industrial purposes. They are used in veterinary medicine for the treatment of ulcerative stomatitis, leukorrhoea, conjunctivitis, pharyngitis, metritis, and minor wounds. (12 Dec 1998) |
| aluminum compounds | Inorganic compounds that contain aluminum as an integral part of the molecule. (12 Dec 1998) |
| aminobiphenyl compounds | <chemistry> Biphenyl compounds substituted in any position by one or more amino groups. Permitted are any substituents except fused rings. (12 Dec 1998) |
| ammonium compounds | Inorganic and organic compounds that contain the hypothetical radical nh4. (12 Dec 1998) |
| barium compounds | Inorganic compounds that contain barium as an integral part of the molecule. (12 Dec 1998) |
| benzalkonium compounds | <chemical> A mixture of alkylbenzyldimethylammonium compounds. It is a bactericidal quaternary ammonium detergent used topically in medicaments, deodorants, mouthwashes, as a surgical antiseptic, and as a as preservative and emulsifier in drugs and cosmetics. Pharmacological action: anti-infective agents, local, detergents, preservatives, pharmaceutical. (12 Dec 1998) |
| benzhydryl compounds | Compounds which contain the methyl radical substituted with two benzene rings. Permitted are any substituents, but ring fusion to any of the benzene rings is not allowed. (12 Dec 1998) |
| benzylidene compounds | Compounds containing the phch= radical. (12 Dec 1998) |
| bephenium compounds | <chemical> Analogs or derivatives of bephenium (n,n-dimethyl-n-(2-phenoxyethyl)benzenemethanaminium). Pharmacological action: antinematodal agent. (12 Dec 1998) |
| bicyclo compounds, heterocyclic | A class of saturated compounds consisting of two rings only, having two or more atoms in common, containing at least one hetero atom, and that take the name of an open chain hydrocarbon containing the same total number of atoms. (12 Dec 1998) |
Synonyms : Compounds, Silicon
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