| BAR | bariatrics; barometer, barometric; beta-adrenergic receptor |
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| bar | barometric |
| KIDS | Kansas Infant Development Screen |
| RST | Reagin Screen Test |
| FR | failure rate; film-screen radiograph; fasciculus retroflexus; febrile reaction; feedback regulation;... |
| SFP | Screen filtration pressure |
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| BAR | Beta-adrenergic receptor |
| BAR | Biofragmentable Anastomosis Ring |
| BAR | Biofragmentable Anastomotic Ring |
| bar screen | A screen made of parallel bars set 3/4" to 2" apart used to filter out large objects. (05 Dec 1998) |
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| Bjerrum screen | A flat, usually black surface used to measure the central 30 degrees of the field of vision. Synonym: Bjerrum screen. (05 Mar 2000) |
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| rare-earth screen | An intensifying screen made of a rare-earth oxide phosphor, more efficient than calcium tungstate, especially at the higher kilovoltages used in modern radiography. (05 Mar 2000) |
| vestibular screen | A screen made of acrylic resin that covers the labial or buccal surfaces of one or both dental arches; used to treat oral habits and to stimulate tooth movement by using perioral muscle force. (05 Mar 2000) |
| Hess screen | A screen used in the measurement of ocular deviation. (05 Mar 2000) |
| 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) |
| 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) |
| arch bar | Any one of several types of wires, bar's, or splints conforming to the arch of the teeth, extending from one side of the arch to the other and located labially, or lingually; used for the treatment of jaw fractures and/or stabilization of injured teeth. (05 Mar 2000) |
| bar | 1. A piece of wood, metal, or other material, long in proportion to its breadth or thickness, used as a lever and for various other purposes, but especially for a hindrance, obstruction, or fastening; as, the bars of a fence or gate; the bar of a door. "Thou shalt make bars of shittim wood." (Ex. Xxvi. 26) 2. An indefinite quantity of some substance, so shaped as to be long in proportion to its breadth and thickness; as, a bar of gold or of lead; a bar of soap. 3. Anything which obstructs, hinders, or prevents; an obstruction; a barrier. "Must I new bars to my own joy create?" (Dryden) 4. A bank of sand, gravel, or other matter, especially. at the mouth of a river or harbor, obstructing navigation. 5. Any railing that divides a room, or office, or hall of assembly, in order to reserve a space for those having special privileges; as, the bar of the House of Commons. 6. The railing that incloses the place which counsel occupy in courts of justice. Hence, the phrase at the bar of the court signifies in open court. The place in court where prisoners are stationed for arraignment, trial, or sentence. The whole body of lawyers licensed in a court or district; the legal profession. A special plea constituting a sufficient answer to plaintiff's action. 7. Any tribunal; as, the bar of public opinion; the bar of God. 8. A barrier or counter, over which liquors and food are passed to customers; hence, the portion of the room behind the counter where liquors for sale are kept. 9. An ordinary, like a fess but narrower, occupying only one fifth part of the field. 10. A broad shaft, or band, or stripe; as, a bar of light; a bar of colour. 11. A vertical line across the staff. Bars divide the staff into spaces which represent measures, and are themselves called measures. A double bar marks the end of a strain or main division of a movement, or of a whole piece of music; in psalmody, it marks the end of a line of poetry. The term bar is very often loosely used for measure, i.e, for such length of music, or of silence, as is included between one bar and the next; as, a passage of eight bars; two bars' rest. 12. <veterinary> The space between the tusks and grinders in the upper jaw of a horse, in which the bit is placed. The part of the crust of a horse's hoof which is bent inwards towards the frog at the heel on each side, and extends into the center of the sole. 13. <chemical> A drilling or tamping rod. A vein or dike crossing a lode. 14. A gatehouse of a castle or fortified town. A slender strip of wood which divides and supports the glass of a window; a sash bar. Bar shoe, a trial before all the judges of one the superior courts of Westminster, or before a quorum representing the full court. Origin: OE. Barre, F. Barre, fr. LL. Barra, W. Bar the branch of a tree, bar, baren branch, Gael. & Ir. Barra bar. 91. Source: Websters Dictionary (01 Mar 1998) |
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