| A-MAT | amorphous material |
|---|---|
| amo, amor | amorphous |
| EDAM | electron-dense amorphous material |
| 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... |
| ACP | Amorphous calcium phosphate |
|---|---|
| a-Se | Amorphous selenium |
| Si | Silicon |
| SiC | Silicon carbide |
| amorphous | <cell biology> Having an irregular or undefined shape or structure. (05 Feb 1998) |
|---|---|
| amorphous fraction of adrenal cortex | Noncrystalline residue of an acetone extract of the adrenal cortex after crystalline steroids, e.g., corticosterone, deoxycorticosterone, etc., have been isolated. (05 Mar 2000) |
| amorphous insulin zinc suspension | Sterile suspension of insulin in buffered water for injection, modified by the addition of zinc chloride such that the solid phase of the suspension is amorphous; it contains 40 or 80 units per ml; the duration of action is equivalent to that of insulin injection. Synonym: amorphous insulin zinc suspension, semilente insulin. (05 Mar 2000) |
| amorphous phosphorus | Red phosphorus, an allotropic form of phosphorus formed by heating ordinary phosphorus, in the absence of oxygen, to 260°C; it occurs as an amorphous dark red mass or powder, nonpoisonous, and much less flammable than ordinary phosphorus; it may be reconverted to the latter by heating to 454.4°C in nitrogen gas. (05 Mar 2000) |
| 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) |
| 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 compounds | Inorganic compounds that contain silicon as an integral part of the molecule. (12 Dec 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) |
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