| KIDS | Kansas Infant Development Screen |
|---|---|
| RST | Reagin Screen Test |
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| FSR | Fellow of the Society of Radiographers; film screen radiography; force sensing resistor; fragmented ... |
| RST | radiosensitivity test; reagin screen test; right sacrotransverse [fetal position]; rubrospinal tract... |
natural purification (자정 작용
| screen | 1. To provide with a shelter or means of concealment; to separate or cut off from inconvience, injury, or danger; to shelter; to protect; to protect by hiding; to conceal; as, fruits screened from cold winds by a forest or hill. "They were encouraged and screened by some who were in high comands." (Macaulay) 2. To pass, as coal, gravel, ashes, etc, through a screen in order to separate the coarse from the fine, or the worthless from the valuable; to sift. 3. To examine a group of objects methodically, to separate them into groups or to select one or more for some purpose. As (a), To inspect the qualifications of candidates for a job, to select one or more to be hired. (b) (Biochem, Med) To test a large number of samples, in order to find those having specific desirable properties; as, to screen plant extracts for anticancer agents. Origin: Screened; Screening. 1. Anything that separates or cuts off inconvience, injury, or danger; that which shelters or conceals from view; a shield or protection; as, a fire screen. "Your leavy screens throw down." (Shak) "Some ambitious men seem as screens to princes in matters of danger and envy." (Bacon) 2. A dwarf wall or partition carried up to a certain height for separation and protection, as in a church, to separate the aisle from the choir, or the like. 3. A surface, as that afforded by a curtain, sheet, wall, etc, upon which an image, as a picture, is thrown by a magic lantern, solar microscope, etc. 4. A long, coarse riddle or sieve, sometimes a revolving perforated cylinder, used to separate the coarser from the finer parts, as of coal, sand, gravel, and the like. 5. A netting, usu. Of metal, contained in a frame, used mostly in windows or doors to allow in fresh air while excluding insects. Screen door, a door of which half or more is composed of a screen. Screen window, a screen fitted for insertion into a window frame. 6. The surface of an electronic device, as a television set or computer monitor, on which a visible image is formed. The screen is frequently the surface of a cathode-ray tube containing phosphors excited by the electron beam, but other methods for causing an image to appear on the screen are also used, as in flat-panel displays. 7. The motion-picture industry; motion pictures. "A star of stage and screen." Origin: OE. Scren, OF. Escrein, escran, F. Ecran, of uncertain origin; cf. G. Schirm a screen, OHG. Scrim, scern a protection, shield, or G. Schragen a trestle, a stack of wood, or G. Schranne a railing. Source: Websters Dictionary (01 Mar 1998) |
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| screen defense | The use of falsified or incomplete memories or affects to cover repressed but associated memories and affects. (05 Mar 2000) |
| screen-film contact | The closeness and uniformity with which the X-ray film in a cassette lies against the screen. Image resolution is dependent on this closeness and uniformity of contact. (05 Mar 2000) |
| screen memory | In psychoanalysis, a consciously tolerable memory that unwittingly serves as a cover for another associated memory which would be emotionally painful if recalled. (05 Mar 2000) |
| specimen screen | <microscopy> A disk of fine screen, usually 200-mesh stainless steel, copper, or nickel, which supports the replica or specimen support film for observation in the microscope. (05 Aug 1998) |
| strep screen | A quick test for strep throat that is performed off a standard throat swab. Results can be obtained within a hour in most cases. (27 Sep 1997) |
| intensifying screen | A screen used in radiography. (05 Mar 2000) |
| tangent screen | A flat, usually black surface used to measure the central 30 degrees of the field of vision. Synonym: Bjerrum screen. (05 Mar 2000) |
| fluorescent screen | A screen coated with fluorescent crystals such as the calcium tungstate used in the fluoroscope. (05 Mar 2000) |
| conservation of natural resources | The protection, preservation, restoration, and rational use of all resources in the total environment. (12 Dec 1998) |
| natural | 1. Fixed or determined by nature; pertaining to the constitution of a thing; belonging to native character; according to nature; essential; characteristic; not artifical, foreign, assumed, put on, or acquired; as, the natural growth of animals or plants; the natural motion of a gravitating body; natural strength or disposition; the natural heat of the body; natural colour. "With strong natural sense, and rare force of will." (Macaulay) 2. Conformed to the order, laws, or actual facts, of nature; consonant to the methods of nature; according to the stated course of things, or in accordance with the laws which govern events, feelings, etc.; not exceptional or violent; legitimate; normal; regular; as, the natural consequence of crime; a natural death. "What can be more natural than the circumstances in the behavior of those women who had lost their husbands on this fatal day?" (Addison) 3. Having to do with existing system to things; dealing with, or derived from, the creation, or the world of matter and mind, as known by man; within the scope of human reason or experience; not supernatural; as, a natural law; natural science; history, theology. "I call that natural religion which men might know . By the mere principles of reason, improved by consideration and experience, without the help of revelation." (Bp. Wilkins) 4. Conformed to truth or reality; as: Springing from true sentiment; not artifical or exaggerated; said of action, delivery, etc.; as, a natural gesture, tone, etc. Resembling the object imitated; true to nature; according to the life; said of anything copied or imitated; as, a portrait is natural. 5. Having the character or sentiments properly belonging to one's position; not unnatural in feelings. "To leave his wife, to leave his babes, . He wants the natural touch." (Shak) 6. Connected by the ties of consanguinity. "Natural friends." 7. Begotten without the sanction of law; born out of wedlock; illegitimate; bastard; as, a natural child. 8. Of or pertaining to the lower or animal nature, as contrasted with the higher or moral powers, or that which is spiritual; being in a state of nature; unregenerate. "The natural man receiveth not the things of the Spirit of God." (1 Cor. Ii. 14) 9. <mathematics> Belonging to, to be taken in, or referred to, some system, in which the base is 1; said or certain functions or numbers; as, natural numbers, those commencing at 1; natural sines, cosines, etc, those taken in arcs whose radii are 1. 10. Produced by natural organs, as those of the human throat, in distinction from instrumental music. Of or pertaining to a key which has neither a flat nor a sharp for its signature, as the key of C major. Applied to an air or modulation of harmony which moves by easy and smooth transitions, digressing but little from the original key. Natural day, the space of twenty-four hours. Natural fats, Natural gas, etc. See Fat, Gas. Etc. Natural Harmony, a classification based upon real affinities, as shown in the structure of all parts of the organisms, and by their embryology. "It should be borne in mind that the natural system of botany is natural only in the constitution of its genera, tribes, orders, etc, and in its grand divisions." (Gray) Natural theology, or Natural religion, that part of theological science which treats of those evidences of the existence and attributes of the Supreme Being which are exhibited in nature; distinguished from revealed religion. See Quotation under Natural. Natural vowel, the vowel sound heard in urn, furl, sir, her, etc.; so called as being uttered in the easiest open position of the mouth organs. See Neutral vowel. Synonym: See Native. Origin: OE. Naturel, F. Naturel, fr. L. Naturalis, fr. Natura. See Nature. Source: Websters Dictionary (01 Mar 1998) |
| natural antibody | Antibody demonstrable in the serum or plasma of various persons or animals not known to have been stimulated by specific antigen, either artificially or as the result of naturally occurring contact. Synonym: natural antibody. (05 Mar 2000) |
| natural childbirth | Psychophysical relaxation techniques that are used to facilitate childbirth. (12 Dec 1998) |
| natural classification | <zoology> Classification based on inferences concerning the phylogenetic relationships of animals. (09 Jan 1998) |
| natural dentition | See: dentition. (05 Mar 2000) |