| scilliroside | Glycoside from red squill, the red variety of Urginea maritima (family Liliaceae). Used as a rodenticide. (05 Mar 2000) |
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| scillitin | <chemistry> A bitter principle extracted from the bulbs of the squill (Scilla), and probably consisting of a complex mixture of several substances. Origin: Cf. F. Scilistine. Source: Websters Dictionary (01 Mar 1998) |
| scimitar | 1. A saber with a much curved blade having the edge on the convex side, in use among Mohammedans, especially, the Arabs and persians. Alternative forms: cimeter, and scymetar. 2. A long-handled billhook. See Billhook. <botany> Scimiter pods, the immense curved woody pods of a leguminous woody climbing plant (Entada scandens) growing in tropical India and America. They contain hard round flattish seeds two inches in diameter, which are made into boxes. Origin: F. Cimeterre, cf. It. Scimitarra, Sp. Cimitarra; fr. Biscayan cimetarry with a sharp edge; or corrupted from Per. Shimshir. Source: Websters Dictionary (01 Mar 1998) |
| scimitar sign | <clinical sign> A curvilinear structure seen roentgenographically in the lung and associated with anomalous pulmonary venous drainage, suggesting the sickle shape, of a Turkish saber; also used to refer to the scalloped shape of the sacrum in spinal dysraphism with anterior meningocele. (05 Mar 2000) |
| scimitar syndrome | <radiology> Hypoplasia / aplasia of one or more lobes of lung, always on right, with or without partial APVR (to IVC, portal vein, etc.), scimitar-shaped density is draining vein (12 Dec 1998) |
| scincoid | <zoology> Of or pertaining to the family Scincidae, or skinks. A scincoidian. Origin: L. Scincus a kind of lizard (fr. Gr). Cf. Skink. Source: Websters Dictionary (01 Mar 1998) |
| scincoidea | <zoology> A tribe of lizards including the skinks. See Skink. Source: Websters Dictionary (01 Mar 1998) |
| scincoidian | <zoology> Any one of numerous species of lizards of the family Scincidae or tribe Scincoidea. The tongue is not extensile. The body and tail are covered with overlapping scales, and the toes are margined. Source: Websters Dictionary (01 Mar 1998) |
| scinderin | <protein> Protein (80 kD) of the gelsolin family isolated from vertebrate neural and secretory tissue. Sub cortical scinderin is redistributed into patches following stimulation of chromaffin cells through nicotinic receptors. Similar to adseverin. (18 Nov 1997) |
| scink | <zoology> A skink. Source: Websters Dictionary (01 Mar 1998) |
| scinticisternography | Cisternography performed with a radiopharmaceutical and recorded with a stationary imaging device. (05 Mar 2000) |
| scintigram | <investigation> (radioisotope scan) a scan examination following the injection of a radioactive substance - this is to check for cancer spread to the bones or to study the function of other organs e.g. Kidneys, heart, lungs etc. The injection does not make the patient permanently radioactive and is very safe. (16 Dec 1997) |
| scintigraphic | Relating to or obtained by scintigraphy. (05 Mar 2000) |
| scintigraphic angiography | The measurement of visualization by radiation of any organ after a radionuclide has been injected into its blood supply. It is used to diagnose heart, liver, lung, and other diseases and to measure the function of those organs, except renography, for which radioisotope renography is available. (12 Dec 1998) |
| scintigraphy | A diagnostic procedure consisting of the administration of a radionuclide with an affinity for the organ or tissue of interest, followed by recording the distribution of the radioactivity with a stationary or scanning external scintillation camera. See: gamma camera. (05 Mar 2000) |
| science |
a particular branch of scientific knowledge; "the science of genetics" skill: ability to produce solutions in some problem domain; "the skill of a well-trained boxer"; "the sweet science of pugilism"
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| scintillating scotoma |
a localized area of diminished vision edged by shimmering colored lights; in many people it indicates the onset of migraine
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| scintillation |
(physics) a flash of light that is produced in a phosphor when it absorbs a photon or ionizing particle twinkle: a rapid change in brightness; a brief spark or flash a brilliant display of wit glitter: the quality of shining with a bright reflected light the twinkling of the stars caused when changes in the density of the earth's atmosphere produce uneven refraction of starlight
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| scintillation counter |
counter tube in which light flashes when exposed to ionizing radiation
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| scission |
the act of dividing by cutting or splitting
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| SCI | a museum that collects and displays objects having scientific interest |
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| SCI | someone who teaches science |
| SCI | (law) deliberately or knowingly |
| SCI | conforming with the principles or methods used in science |
| SCI | of or relating to the practice of science |
| SCI | the application of soil and plant sciences to land management and crop production |
| SCI | a particular branch of scientific knowledge |
| SCI | an observation that has been confirmed repeatedly and is accepted as true (although its truth is never final) |
| SCI | an instrument used by scientists |
| SCI | knowledge accumulated by systematic study and organized by general principles |
| SCI | a method of investigation involving observation and theory to test scientific hypotheses |
| SCI | research into questions posed by scientific theories and hypotheses |