| BRD | bladder retraining drill; bovine respiratory disease |
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| BUR | bilateral ureteral occlusion |
| bur drill | See: bur. (05 Mar 2000) |
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| air drill | <equipment> A drill driven by the elastic pressure of condensed air; a pneumatic drill. (06 Aug 1998) |
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| dental drill | <apparatus, dentistry> A rotary power-driven instrument into which cutting points may be inserted. See: handpiece. (05 Mar 2000) |
| drill | 1. To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum. 2. To sow, as seeds, by dribbling them along a furrow or in a row, like a trickling rill of water. 3. To entice; to allure from step; to decoy; with on. "See drilled him on to five-fifty." (Addison) 4. To cause to slip or waste away by degrees. " This accident hath drilled away the whole summer." (Swift) Origin: Cf. Trill to trickle, Trickle, Dribble, and W. Rhillio to put in a row, drill. 1. A small trickling stream; a rill. "Springs through the pleasant meadows pour their drills." (Sandys) 2. An implement for making holes for sowing seed, and sometimes so formed as to contain seeds and drop them into the hole made. A light furrow or channel made to put seed into sowing. A row of seed sown in a furrow. Drill is used adjectively, or as the first part of a compound; as, drill barrow or drill-barrow; drill husbandry; drill plow or drill-plow. Drill barrow, a wheeled implement for planting seed in drills. Drill bow, a small bow used for the purpose of rapidly turning a drill around which the bowstring takes a turn. Drill harrow, a harrow used for stirring the ground between rows, or drills. Drill plow, or Drill plough, a sort plow for sowing grain in drills. 1. An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press. 2. The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill. 3. Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar. 4. <zoology> A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea. Bow drill, Breast drill. See Bow, Breast. Cotter drill, or Traverse drill, a machine tool for drilling slots. Diamond drill. See Diamond. Drill jig. See Jig. Drill pin, the pin in a lock which enters the hollow stem of the key. Drill sergeant, a noncommissioned officer whose office it is to instruct soldiers as to their duties, and to train them to military exercises and evolutions. Vertical drill, a drill press. <zoology> A large African baboon (Cynocephalus leucophaeus). Origin: Cf. Mandrill. Source: Websters Dictionary (01 Mar 1998) |
| bur | A rotary cutting instrument, used in dentistry, consisting of a small metal shaft and a head designed in various shapes; used at various rotational velocities for excavating decay, shaping cavity forms, and for reduction of tooth structure. See: burr. (05 Mar 2000) |
| bur fish | <zoology> A spinose, plectognath fish of the Allantic coast of the United States (especially. Chilo mycterus geometricus) having the power of distending its body with water or air, so as to resemble a chestnut bur. Synonym: ball fish, balloon fish, and swellfish. Source: Websters Dictionary (01 Mar 1998) |
| round bur | A dental bur with the cutting blades spherically arranged. (05 Mar 2000) |
| cross-cut bur | A bur with blades located at right angles to its long axis. (05 Mar 2000) |
| inverted cone bur | A rotary cutting instrument in the shape of a truncated cone with the smaller end attached to the shaft; generally used for entering carious pits or creating undercuts in cavity preparations. (05 Mar 2000) |
| end-cutting bur | A bur with blades only on its end. (05 Mar 2000) |
| finishing bur | A bur with numerous fine cutting blades placed close together; used to contour metallic restorations. (05 Mar 2000) |
| fissure bur | A cylindrical or tapered rotary cutting tool intended for extending or widening fissures in a tooth, as for general surface reduction of tooth substance. (05 Mar 2000) |
제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
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제품명 |
판매사 |
보험코드 | 성분/함량 | 구분/보험급여 |
|---|