| stable colloid | A colloid that is again soluble in water after having been dried at ordinary temperature. Synonym: stable colloid. (05 Mar 2000) |
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| heat-stable | Thermostable Not readily subject to alteration or destruction by heat. Synonym: heat-stable. Origin: thermo-+ L. Stabilis, stable (05 Mar 2000) |
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| heat-stable enzyme | <enzyme> An enzyme that is not readily subject to destruction or alteration by heat. Synonym: heat-stable enzyme. (05 Mar 2000) |
| stable | 1. Firmly established; not easily moved, shaken, or overthrown; fixed; as, a stable government. "In this region of chance, . . . Where nothing is stable." (Rogers) 2. Steady in purpose; constant; firm in resolution; not easily diverted from a purpose; not fickle or wavering; as, a man of stable character. "And to her husband ever meek and stable." (Chaucer) 3. Durable; not subject to overthrow or change; firm; as, a stable foundation; a stable position. <mechanics> Stable equibrium, the kind of equilibrium of a body so placed that if disturbed it returns to its former position, as in the case when the center of gravity is below the point or axis of support; opposed to unstable equilibrium, in which the body if disturbed does not tend to return to its former position, but to move farther away from it, as in the case of a body supported at a point below the center of gravity. Cf. Neutral equilibrium, under Neutral. Synonym: Fixed, steady, constant, abiding, strong, durable, firm. Origin: OE. Estable, F. Stable, fr. L. Stabilis, fr. Stare to stand. See Stand, and cf. Establish. A house, shed, or building, for beasts to lodge and feed in; especially, a building or apartment with stalls, for horses; as, a horse stable; a cow stable. <zoology> Stable fly, a common dipterous fly (Stomoxys calcitrans) which is abundant about stables and often enters dwellings, especially in autumn. These files, unlike the common house files, which they resemble, bite severely, and are troublesome to horses and cattle. Origin: OF. Estable, F. Etable, from L. Stabulum, fr. Stare to stand. See Stand. Source: Websters Dictionary (01 Mar 1998) |
| stable angina | <cardiology> Existing angina which is not changing in severity, duration or frequency. (10 Mar 1998) |
| stable factor | <chemical> Heat- and storage-stable plasma protein that is activated by tissue thromboplastin to form factor viia in the extrinsic pathway of blood coagulation. The activated form then catalyses the activation of factor x to factor xa. Chemical name: Blood-coagulation factor VII (12 Dec 1998) |
| stable fracture | A fracture that does not tend to displace once it has been reduced and immobilised. (05 Mar 2000) |
| stable isotope | A nonradioactive nuclide; an isotope that shows no tendency to undergo radioactive decomposition. (05 Mar 2000) |
| stable stand | The position of a man who is found at his standing in the forest, with a crossbow or a longbow bent, ready to shoot at a deer, or close by a tree with greyhounds in a leash ready to slip; one of the four presumptions that a man intends stealing the king's deer. Source: Websters Dictionary (01 Mar 1998) |
| bovine colloid | <protein> Protein present in serum that causes agglutination of antibody antigen complement complexes, binds C3b. (18 Nov 1997) |
| radiogold colloid | A radioactive isotope of gold emitting negative beta particles and gamma radiation, with a half-life of 2.7 days; formerly used for irradiation of closed serous cavities in the palliative treatment of ascites and pleural effusion due to metastatic malignancies, and for liver scans. Synonym: 198Au colloid, colloidal radioactive gold. (05 Mar 2000) |
| gold colloid | A purplish suspension of minute particles of metallic gold, made by reducing a solution of bromauric acid or other acid or salt of gold. It is used as a probe in immunochemistry. (12 Dec 1998) |
| gold colloid, radioactive | <chemical> A radioactive suspension of minute particles of metallic gold, made by exposure to neutrons. It is used in the pleural cavity to treat lung cancer. Pharmacological action: antineoplastic agent, radiopharmaceuticals. (12 Dec 1998) |
| reversible colloid | A colloid that is again soluble in water after having been dried at ordinary temperature. Synonym: stable colloid. (05 Mar 2000) |
| colloid | <chemistry> Microscopic particles suspended in some sort of liquid medium. The particles are between one nanometre and one micrometre in size and can be macromolecules. (09 Oct 1997) |
| colloid acne | Yellow papules developing in sun-damaged skin of the head and backs of the hands, composed of colloid material in the dermis resembling amyloid but with a different ultrastructure. Synonym: colloid acne, colloid pseudomilium, elastosis colloidalis conglomerata. Origin: L. Milium, millet (05 Mar 2000) |