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caisson
caisson Quick reference
A Dictionary of Construction, Surveying and Civil Engineering (2 ed.)
... A watertight structure (chamber) that is sunk through the ground or water to enable dry excavation and placing of the foundation. An open-caisson is open at the top and bottom. A box-caisson is only open at the top. A compressed-air or pneumatic caisson contains a chamber where air pressure is maintained above atmospheric pressure to prevent entry of water or...
caisson Reference library
The Oxford Companion to Military History
... A box for carrying ammunition, mounted on two or four wheels and joined to an artillery limber. In Napoleonic times, most armies adopted the Gribeauval system of standardized carriages with a 4 metre (13 foot) caisson divided into compartments for rounds, powder, and matches. The heavier the artillery, the more caissons were allocated. First-line caissons would be held about 55 yards (50 metres) behind the guns and second-line about 109 yards (100 metres), exchanging places when withdrawing for replenishment. Also a term describing sections of the...
caisson Quick reference
A Dictionary of Mechanical Engineering (2 ed.)
...caisson A large chamber in the form of a vertical cylinder or a rectangular box, which may have an open end, used for example to house water turbines or allow sub-surface work in a river or sea. See also Pendulor wave-energy converter...
caisson Quick reference
A Dictionary of Architecture and Landscape Architecture (3 ed.)
... 1. Watertight chamber in which underwater construction work takes place. 2. Device for sinking foundations under water or in water-logged conditions, in the form of an airtight box the size of the pier to be built, which is sunk to bedrock, or other surface on which it is to remain, then filled with concrete . 3. Coffer in ceilings, cupolas , soffits , and vaults...
caisson n. Reference library
The Oxford Essential Dictionary of the U.S. Military
... ˈkāˌsän; ˈkāsǝn n. 1 a large watertight chamber, open at the bottom, from which the water is kept out by air pressure and in which construction work may be carried out under water. 2 a floating vessel or watertight structure used as a gate across the entrance of a dry dock or basin. 3 a chest or wagon for holding or conveying...
caisson Quick reference
The Oxford Companion to Ships and the Sea (2 ed.)
... , from the French caisson , large chest, basically an enclosed space below water level with means of flooding with, or pumping out, water. 1 A fixed enclosure reaching to the bottom from which the water can be pumped out, or which can alternatively be filled with air under pressure, in order to give access to underwater areas for engineering works, such as the building of piers for bridges, breakwaters, etc. 2 The gate or movable structure which closes the entrance to a dock or dry-dock . 3 A floating platform or tank used by salvage operators....
caisson disease Quick reference
A Dictionary of Biomedicine (2 ed.)
...caisson disease Decompression sickness (‘the bends’)....
caisson disease Quick reference
The Oxford Dictionary of Sports Science & Medicine (3 ed.)
... disease A syndrome occurring in people breathing air at high pressure. It was common in those who worked deep underwater in caissons, watertight chambers open at the bottom and containing air at high pressure. On returning to the surface and normal atmospheric pressure, nitrogen dissolved in the bloodstream forms bubbles, which can cause pain if trapped in the joints ( see bends ). The bubbles can also block the circulation to the brain and elsewhere (decompression sickness). Symptoms are relieved by returning the patient to a high...
caisson Quick reference
The Concise Oxford Dictionary of English Etymology
... chest for ammunition, etc.; watertight vessel used in deep water. XVIII. — F. caisson , † casson — It. cassone ; assim. to caisse CASE 2 ; see -OON...
caisson noun Reference library
The Oxford Essential Dictionary of Foreign Terms in English
... noun L17 French (= large chest, from Italian cassone with assimilation to caisse case). 1 L17 A large watertight chamber open at the bottom, from which the water is kept out by air pressure, used in laying foundations under water. b M19 A floating vessel used as a dock gate. 2 E18 An ammunition chest; an ammunition...
caisson Quick reference
New Oxford Rhyming Dictionary (2 ed.)
... • Masson • flaxen , Jackson, klaxon, Sachsen, Saxon, waxen • Samson • Branson , Jansen, Manson, Nansen • arson , Carson, fasten, parson, sarsen • Bresson , delicatessen, Essen, lessen, lesson • Texan • Belsen , keelson, Nelson • Mendelssohn • Empson • Benson , ensign • Stetson • basin , caisson, chasten, diapason, hasten, Jason, mason • Bateson • handbasin • washbasin • Freemason • stonemason • Nielsen • Stevenson • christen , glisten, listen • Gibson , Ibsen • Blixen , Nixon, vixen • Nilsson , Stillson, Wilson • Nicholson •...
