| ROAD | reversible obstructive airways disease |
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| RTA | ray tracing algorithm; renal tubular acidosis; reverse transcriptase assay; road traffic accident |
| RTA | Road Traffic Accident |
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| jinny road | <chemical> An inclined road in a coal mine, on which loaded cars descend by gravity, drawing up empty ones. Origin: Cf. Gin an engine, Ginnycarriage. Source: Websters Dictionary (01 Mar 1998) |
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| road | 1. A journey, or stage of a journey. "With easy roads he came to Leicester." (Shak) 2. An inroad; an invasion; a raid. 3. A place where one may ride; an open way or public passage for vehicles, persons, and animals; a track for travel, forming a means of communication between one city, town, or place, and another. "The most villainous house in all the London road." (Shak) The word is generally applied to highways, and as a generic term it includes highway, street, and lane. 4. [Possibly akin to Icel. Reioi the rigging of a ship, E. Ready] A place where ships may ride at anchor at some distance from the shore; a roadstead; often in the plural; as, Hampton Roads. "Now strike your saile, ye jolly mariners, For we be come unto a quiet rode [road]" (Spenser) On, or Upon, the road, traveling or passing over a road; coming or going; on the way. "My hat and wig will soon be here, They are upon the road." (Cowper) Road agent, a highwayman, especially on the stage routes of the unsettled western parts of the United States; a humorous euphemism. "The highway robber road agent he is quaintly called." (The century) Road book, a quidebook in respect to roads and distances. Road metal, the broken, stone used in macadamizing roads. Road roller, a heavy roller, or combinations of rollers, for making earth, macadam, or concrete roads smooth and compact. Often driven by steam. <zoology> Road runner, the chaparral cock. Road steamer, a locomotive engine adapted to running on common roads. To go on the road, to engage in the business of a commercial traveler. To take the road, to begin or engage in traveling. To take to the road, to engage in robbery upon the highways. Synonym: Way, highway, street, lane, pathway, route, passage, course. See Way. Origin: AS. Rad a riding, that on which one rides or travels, a road, fr. Ridan to ride. See Ride, and cf. Raid. Source: Websters Dictionary (01 Mar 1998) |
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| off-road motor vehicles | Motorised, recreational vehicles used on non-public roads. They include all-terrain vehicles, dirt-bikes, minibikes, motorbikes, trailbikes, and snowmobiles. Excludes motorcycles, which are considered public road vehicles. (12 Dec 1998) |
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