| spectroscopical | Of or pertaining to a spectroscope, or spectroscopy. Spectroscop"ically. Source: Websters Dictionary (01 Mar 1998) |
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| spectroscopist | One who investigates by means of a spectroscope; one skilled in the use of the spectroscope. Source: Websters Dictionary (01 Mar 1998) |
| spectroscopy | <procedure> Spectroscopy is the science of measuring the emission and absorption of different wavelengths (spectra) of visible and non-visible light, this can be done via a spectroscope, which consists of a slit, prism, collimator lens, object lens, and a grating. (09 Oct 1997) |
| spectroscopy, fourier transform infrared | A spectroscopic technique in which a range of wavelengths is presented simultaneously with an interferometer and the spectrum is mathematically derived from the pattern thus obtained. (12 Dec 1998) |
| spectroscopy, mossbauer | A spectroscopic technique which uses the mossbauer effect (inelastic scattering of gamma radiation resulting from interaction with heavy nuclei) to monitor the small variations in the interaction between an atomic nucleus and its environment. Such variations may be induced by changes in temperature, pressure, chemical state, molecular conformation, molecular interaction, or physical site. It is particularly useful for studies of structure-activity relationship in metalloproteins, mobility of heavy metals, and the state of whole tissue and cell membranes. (12 Dec 1998) |
| spectroscopy, near-infrared | A noninvasive technique that uses the differential absorption properties of haemoglobin and myoglobin to evaluate tissue oxygenation and indirectly can measure regional haemodynamics and blood flow. Near-infrared light (nir) can propagate through tissues and at particular wavelengths is differentially absorbed by oxgenated vs. Deoxygenated forms of haemoglobin and myoglobin. Illumination of intact tissue with nir allows qualitative assessment of changes in the tissue concentration of these molecules. The analysis is also used to determine body composition. (12 Dec 1998) |
| spectrum | A charted band of wavelengths of electromagnetic vibrations obtained by refraction and diffraction. By extension, a measurable range of activity, such as the range of bacteria affected by an antibiotic (antibacterial spectrum) or the complete range of manifestations of a disease. (18 Nov 1997) |
| spectrum analysis | The measurement of the amplitude of the components of a complex waveform throughout the frequency range of the waveform. (12 Dec 1998) |
| spectrum analysis, mass | Analysis of the mass of an object through means of determining the wave length(s) at which electromagnetic energy is absorbed by that object. (12 Dec 1998) |
| spectrum analysis, raman | Analysis of the intensity of raman scattering of monochromatic light as a function of frequency of the scattered light. (12 Dec 1998) |
| specular | 1. Having the qualities of a speculum, or mirror; having a smooth, reflecting surface; as, a specular metal; a specular surface. 2. <medicine> Of or pertaining to a speculum; conducted with the aid of a speculum; as, a specular examination. 3. Assisting sight, as a lens or the like. "Thy specular orb Apply to well-dissected kernels; lo! In each observe the slender threads Of first-beginning trees." (J. Philips) 4. Affording view. "Look once more, ere we leave this specular mount." Specular iron. <chemical> See Hematite. Origin: L. Specularis (cf, from the same root, specula a lookout, watchtower): cf. F. Speculaire. See Speculum. Source: Websters Dictionary (01 Mar 1998) |
| specular glare | Glare arising from specularly reflected light. (05 Mar 2000) |
| specular image | The image of a source of light made visible by the reflection from a mirror. (05 Mar 2000) |
| speculative | 1. Given to speculation; contemplative. "The mind of man being by nature speculative." (Hooker) 2. Involving, or formed by, speculation; ideal; theoretical; not established by demonstration. 3. Of or pertaining to vision; also, prying; inquisitive; curious. 4. Of or pertaining to speculation in land, goods, shares, etc.; as, a speculative dealer or enterprise. "The speculative merchant exercises no one regular, established, or well-known branch of business." (A. Smith) Spec"ulatively, Spec"ulativeness. Origin: Cf. F. Speculatif, L. Speculativus. Source: Websters Dictionary (01 Mar 1998) |
| speculum | Origin: L, fr. Specere to look, behold. See Spy. 1. A mirror, or looking-glass; especially, a metal mirror, as in Greek and Roman archaeology. 2. A reflector of polished metal, especially one used in reflecting telescopes. See Speculum metal, below. 3. <surgery> An instrument for dilating certain passages of the body, and throwing light within them, thus facilitating examination or surgical operations. 4. <ornithology> A bright and lustrous patch of colour found on the wings of ducks and some other birds. It is usually situated on the distal portions of the secondary quills, and is much more brilliant in the adult male than in the female. Speculum metal, a hard, brittle alloy used for making the reflectors of telescopes and other instruments, usually consisting of copper and tin in various proportions, one of the best being that in which there are 126.4 parts of copper to 58.9 parts of tin, with sometimes a small proportion of arsenic, antimony, or zinc added to improve the whiteness. Source: Websters Dictionary (01 Mar 1998) |
| speculum |
An instrument used to widen an opening of the body to make it easier to look inside.
출처: www.stjude.org/glossary
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| specificity |
When referring to a medical test, specificity refers to the percentage of people who test negative for a specific disease among a group of people who do not have the disease. No test is 100% specific because some people who do not have the disease will test positive for it (false positive).
출처: www.stjude.org/glossary
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| specific activity |
activity per unit weight of a radioactive material, or the activity of a radioisotope per unit weight of the element (including stable isotopes) present.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| specific action |
the action of a drug which is exerted on a certain definite pathogenic organism.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| speciation |
The origin of a new species.
출처: highered.mcgraw-hill.com/sites/0767430220/student_...
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| SPEC | plausible but false |
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| SPEC | an argument that appears good at first view but is really fallacious |
| SPEC | in a specious manner |
| SPEC | an appearance of truth that is false or deceptive |
| SPEC | a very small spot |
| SPEC | a slight but appreciable addition |
| SPEC | (nontechnical usage) a tiny piece of anything |
| SPEC | produce specks in or on |
| SPEC | having a pattern of dots |
| SPEC | a small contrasting part of something |
| SPEC | mark with small spots |
| SPEC | produce a mottled effect |