| flash method | Sterilization of milk by raising it rapidly to a temperature of 178캟, holding it there for a short time, and reducing it rapidly to 40캟. (05 Mar 2000) |
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| arc-flash conjunctivitis | Acute keratoconjunctivitis resulting from exposure to intense ultraviolet irradiation. Synonym: actinic conjunctivitis, arc-flash conjunctivitis, flash keratoconjunctivitis, ophthalmia nivalis, snow conjunctivitis, welder's conjunctivitis. (05 Mar 2000) |
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| hot flash | Colloquialism for one of the vasomotor symptoms of the climacteric that may involve the whole body as a flash of heat; also used interchangeably with hot flush. (05 Mar 2000) |
| flash | 1. A pool. 2. <engineering> A reservoir and sluiceway beside a navigable stream, just above a shoal, so that the stream may pour in water as boats pass, and thus bear them over the shoal. <mechanics> Flash wheel, a paddle wheel made to revolve in a breast or curved water way, by which water is lifted from the lower to the higher level. Origin: OE. Flasche, flaske; cf. OF. Flache, F. Flaque. Source: Websters Dictionary (01 Mar 1998) |
| flash blindness | A temporary loss of vision produced when retinal light-sensitive pigments are bleached by light more intense than that to which the retina is physiologically adapted at that moment. (05 Mar 2000) |
| flash burn | A burn due to very brief exposure to intense radiant heat; the typical burn produced by atomic explosion. (05 Mar 2000) |
| flash dispersal | The property of rapid disintegration of a tablet when placed on the tongue. (05 Mar 2000) |
| flash evaporator | <apparatus> An apparatus used to concentrate a solute by evaporating its solvent. The device is fairly simple: a heated, rotating glass sphere with an exhaust tube to let the solvent fumes to escape. (09 Oct 1997) |
| flash keratoconjunctivitis | Acute keratoconjunctivitis resulting from exposure to intense ultraviolet irradiation. Synonym: actinic conjunctivitis, arc-flash conjunctivitis, flash keratoconjunctivitis, ophthalmia nivalis, snow conjunctivitis, welder's conjunctivitis. (05 Mar 2000) |
| flash point | The lowest temperature at which vapors of a liquid may be ignited by a flame. (05 Mar 2000) |
| Abbott's method | A method of treatment of scoliosis by use of a series of plaster jackets applied after partial correction of the curvature by external force. (05 Mar 2000) |
| Abell-Kendall method | A standard method for estimation of total serum cholesterol involving saponification of cholesterol ester by hydroxide, extraction with petroleum ether, and colour development with acetic anhydride-sulfuric acid; the method avoids interference by bilirubin, protein, and haemoglobin. (05 Mar 2000) |
| activated sludge method | A method of sewage disposal in which the sewage is treated with 15% bacterially active, liquid sludge, which is produced by repeated vigorous aeration of fresh sewage to form floccules or sediment; when this flocculation process is complete, the resulting activated sludge contains large numbers of bacteria, together with yeasts, molds, and protozoa, which actively effect the oxidation of organic compounds; this mixture is piped to a sedimentation tank, the effluent from which is completely treated sewage. (05 Mar 2000) |
| Altmann-Gersh method | The method of rapidly freezing a tissue and dehydrating it in a vacuum. (05 Mar 2000) |
| Anel's method | Ligation of an artery immediately above (on the proximal side of) an aneurysm. (05 Mar 2000) |
| Antyllus' method | Ligation of the artery above and below an aneurysm, followed by incision into and emptying of the sac. (05 Mar 2000) |