| CAS | calcarine sulcus; calcific aortic stenosis; Cancer Attitude Survey; carbohydrate-active steroid; car... |
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| CPRS | Children's Psychiatric Rating Scale; Comprehensive Psychopathological Rating Scale |
| GAS | galactorrhea-amenorrhea syndrome; gastric acid secretion; gastrin; gastroenterology; general adaptat... |
| GDS | geriatric depression scale; Global Deterioration Scale; Gordon Diagnostic System [for attention diso... |
| MISS | Medical Interview Satisfaction Scale; Modified Injury Severity Scale |
| gray-scale ultrasonography | The display of the ultrasound echo amplitude or signal intensity as different shades of gray, improving image quality compared to the obsolete black and white presentation. (05 Mar 2000) |
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| gunter's scale | A scale invented by the Rev. Edmund Gunter (1581-1626), a professor of astronomy at Gresham College, London, who invented also Gunter's chain, and Gunter's quadrant. Gunter's scale is a wooden rule, two feet long, on one side of which are marked scales of equal parts, of chords, sines, tangents, rhombs, etc, and on the other side scales of logarithms of these various parts, by means of which many problems in surveying and navigation may be solved, mechanically, by the aid of dividers alone. Source: Websters Dictionary (01 Mar 1998) |
| Michel Levy scale of retardation colours | <microscopy> Colour chart plotting thickness of the anisotropic specimen, its birefringence (n1-n2) and its retardation in nanometres. Any one of the three variables can be determined if the other two are known. (05 Aug 1998) |
| pH scale | The negative logarithm of the hydrogen ion concentration, used as a scale for expressing acidity and alkalinity. See: pH. Synonym: pH scale. (05 Mar 2000) |
| Mohs scale | A qualitative scale in which minerals are classified in order of their increasing hardness, based on the fact that the harder of two materials will scratch the softer and will not be scratched by it. The scale lists 15 substances: 1, talc; 2, gypsum; 3, calcite; 4, fluorite; 5, apatite; 6, orthoclase, periclase; 7, vitreous pure silica; 8, quartz, stellite; 9, topaz; 10, garnet; 11, tantalum carbide, fused zirconia; 12, fused alumina; 13, silicon carbide; 14, boron carbide; 15, diamond. Synonym: Mohs scale. (05 Mar 2000) |
| pilot scale | The size of a system between the small laboratory model size (bench scale) and a full-size system. (05 Dec 1998) |
| Wechsler-Bellevue scale | A measure of general intelligence superseded by the Wechsler adult intelligence scale and its subsequent revision. See: Wechsler intelligence scales. (05 Mar 2000) |
| Columbia Mental Maturity Scale | An individually administered intelligence test that provides an estimate of the intellectual ability of children; provides mental ages ranging from 3 to 12 years, and requires no verbal response and minimal motor response. Origin: Columbia University, NY (05 Mar 2000) |
| coma scale | A clinical scale to assess impaired consciousness; assessment may include motor responsiveness, verbal performance, and eye opening, as in the Glasgow (Scotland) c.s., or the same three items and dysfunction of cranial nerves, as in the Maryland (U.S.) c.s. (05 Mar 2000) |
| hardness scale | A qualitative scale in which minerals are classified in order of their increasing hardness, based on the fact that the harder of two materials will scratch the softer and will not be scratched by it. The scale lists 15 substances: 1, talc; 2, gypsum; 3, calcite; 4, fluorite; 5, apatite; 6, orthoclase, periclase; 7, vitreous pure silica; 8, quartz, stellite; 9, topaz; 10, garnet; 11, tantalum carbide, fused zirconia; 12, fused alumina; 13, silicon carbide; 14, boron carbide; 15, diamond. Synonym: Mohs scale. (05 Mar 2000) |
| scale | A reduced or rudimentary leaf, for example surrounding a dormant bud, a thin flap of tissue, for example on the ventral surface of a liverwort thallus and at the base of a stamen in members of the family Simaroubaceae. (09 Oct 1997) |
| scale-up | Conversion of an industrial process from a small laboratory setup to a large commercial endeavor. (09 Oct 1997) |
| scale-winged | <zoology> Having the wings covered with small scalelike structures, as the lepidoptera; scaly-winged. Source: Websters Dictionary (01 Mar 1998) |
| homigrade scale | A special thermometer scale in which 100 |
| Shipley-Hartford scale | A test of intellectual and conceptual aptitude. Origin: Hartford Retreat, CT, where Shipley was employed (05 Mar 2000) |