| signal void | In magnetic resonance imaging, a region emitting no radiofrequency signal, either because there are no activated protons in the region (such as flowing blood) or because a different element predominates, particularly calcium. (05 Mar 2000) |
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| signal-to-noise ratio | <microscopy> Also sometimes used as an abbreviation for serial number, can be somewhat confusing in the case of electronic equipment. (05 Aug 1998) |
| signate | <zoology> Having definite colour markings. Origin: L. Signatus, p. P. See Sign. Source: Websters Dictionary (01 Mar 1998) |
| signature | 1. A sign, stamp, or mark impressed, as by a seal. "The brain, being well furnished with various traces, signatures, and images." (I. Watts) "The natural and indelible signature of God, which human souls . . . Are supposed to be stamped with." (Bentley) 2. Especially, the name of any person, written with his own hand, employed to signify that the writing which precedes accords with his wishes or intentions; a sign manual; an autograph. 3. <physiology> An outward mark by which internal characteristics were supposed to be indicated. "Some plants bear a very evident signature of their nature and use." (Dr. H. More) 4. <medicine> A resemblance between the external characters of a disease and those of some physical agent, for instance, that existing between the red skin of scarlet fever and a red cloth; supposed to indicate this agent in the treatment of the disease. 5. The designation of the key (when not C major, or its relative, A minor) by means of one or more sharps or flats at the beginning of the staff, immediately after the clef, affecting all notes of the same letter throughout the piece or movement. Each minor key has the same signature as its relative major. 6. A letter or figure placed at the bottom of the first page of each sheet of a book or pamphlet, as a direction to the binder in arranging and folding the sheets. The printed sheet so marked, or the form from which it is printed; as, to reprint one or more signatures. Star signatures (as A, 1) are the same characters, with the addition of asterisks, used on the first pages of offcuts, as in 12mo sheets. 7. <pharmacology> That part of a prescription which contains the directions to the patient. It is usually prefaced by S or Sig. (an abbreviation for the Latin signa, imperative of signare to sign or mark). Origin: F. (cf. It. Signatura, segnatura, Sp. & LL. Signatura), from L. Signare, signatum. See Sign. Source: Websters Dictionary (01 Mar 1998) |
| signature sequence | Short oligonucleotides of unique sequence found in 16S ribosomal RNA of a particular group of prokaryotes. (09 Oct 1997) |
| signet ring | The early stage of trophozoite development of the malaria parasite in the red blood cell; the parasite cytoplasm stains blue around its circular margin, and the nucleus stains red in Romanowsky stains, while the central vacuole is clear, giving the ringlike appearance. (05 Mar 2000) |
| signet ring cells | Altered basophilic cells of the anterior lobe of the pituitary that develop following castration; the body of the cell is occupied by a large vacuole that displaces the nucleus to the periphery, giving the cell a resemblance to a signet ring. Synonym: signet ring cells. (05 Mar 2000) |
| signet-ring cell carcinoma | <tumour> A poorly differentiated adenocarcinoma composed of cells with a cytoplasmic droplet of mucus that compresses the nucleus to one side along the cell membrane; arises most frequently in the stomach, occasionally in the large bowel or elsewhere. (05 Mar 2000) |
| significance | An analytical evaluation of the results of a comparative trial or survey. Data yielding a difference in outcome depending on treatment or environmental factors are considered statistically significant if various mathematical procedures indicate there is less than a one in twenty (five percent) chance that the same results would occur through random accident. (In statistical terms this is expressed as p<.05 -or, the p-value is less than0.05.) (09 Oct 1997) |
| significant | In statistics, probably resulting from something other than chance. (18 Nov 1997) |
| significative | 1. Betokening or representing by an external sign. "The holy symbols or signs are not barely significative." (Brerewood) 2. Having signification or meaning; expressive of a meaning or purpose; significant. "Neither in the degrees of kindred they were destitute of significative words." (Camden) Signif"icatively, Signif"icativeness. Origin: L. Significativus: cf. F. Significatif. Source: Websters Dictionary (01 Mar 1998) |
| Signorelli's sign | <clinical sign> Tenderness on pressure in the glenoid fossa in front of the mastoid process in meningitis. (05 Mar 2000) |
| Signorelli, Angelo | <person> Italian physician, 1876-1952. See: Signorelli's sign. (05 Mar 2000) |
| signs and symptoms | Objective evidence of disease perceptible to the examining physician (sign) and subjective evidence of disease perceived by the patient (symptom). (12 Dec 1998) |
| signs and symptoms, digestive | Digestive system manifestations of diseases of the gastrointestinal system or of other organs. (12 Dec 1998) |
Synonyms :
Synonyms : Single Step-Parent, Single Stepparent, Parents, Single, Single Parents, Single Step Parent, Single Step-Parents, Single Stepparents, Step-Parent, Single, Step-Parents, Single, Stepparent, Single, Stepparents, Single
Synonyms : Maritally Unattached, Never Married, Unmarried, Person, Single, Persons, Single, Single Persons
Synonyms : Single-Blind Study, Single-Masked Method, Method, Single-Blind, Method, Single-Masked, Methods, Single-Blind, Methods, Single-Masked, Single Blind Method, Single Blind Study, Single Masked Method, Single Masked Study, Single-Blind Methods, Single-Blind Studies
Synonyms : One Parent Family, Single Parent Family, Families, One Parent, Families, One-Parent, Families, Single Parent, Families, Single-Parent, Family, One Parent, Family, One-Parent, Family, Single Parent, One Parent Families, One-Parent Families, Single Parent Families
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| simulation |
(computer science) the technique of representing the real world by a computer program; "a simulation should imitate the internal processes and not merely the results of the thing being simulated" the act of imitating the behavior of some situation or some process by means of something suitably analogous (especially for the purpose of study or personnel training) model: representation of something (sometimes on a smaller scale) pretense: the act of giving a false appearance; "his conformity was only pretending"
Ãâó: wordnet.princeton.edu/perl/webwn
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| signature |
your name written in your own handwriting touch: a distinguishing style; "this room needs a woman's touch" a melody used to identify a performer or a dance band or radio/tv program key signature: the sharps or flats that follow the clef and indicate the key a sheet with several pages printed on it; it folds to page size and is bound with other signatures to form a book
Ãâó: wordnet.princeton.edu/perl/webwn
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| simulator |
a machine that simulates an environment for the purpose of training or research
Ãâó: wordnet.princeton.edu/perl/webwn
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| Simulium |
type genus of the Simuliidae: blackflies
Ãâó: wordnet.princeton.edu/perl/webwn
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| simvastatin |
an oral lipid-lowering medicine (trade name Zocor) administered to reduce blood cholesterol levels; recommended after heart attacks
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| SI | refractory anemia characterized by sideroblasts in the bone marrow |
|---|---|
| SI | an abnormal red blood cell containing granules of iron not bound in hemoglobin |
| SI | a deficiency of iron |
| SI | glycoprotein that carries iron in the blood |
| SI | fibrosis of the lung caused by iron dust |
| SI | a saddle for a woman |
| SI | on or as if on a sidesaddle |
| SI | a minor show that is part of a larger one (as at the circus) |
| SI | a subordinate incident of little importance relative to the main event |
| SI | a flight maneuver |
| SI | an unexpected slide |
| SI | (Church of England) an assistant to the churchwarden |
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