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Hasil cari dari kata atau frase: Pneumatic pile (0.00839 detik)
Found 1 items, similar to Pneumatic pile.
English → English (gcide) Definition: Pneumatic pile Pile \Pile\, n. [AS. p[=i]l arrow, stake, L. pilum javelin; but cf. also L. pila pillar.] 1. A large stake, or piece of timber, pointed and driven into the earth, as at the bottom of a river, or in a harbor where the ground is soft, for the support of a building, a pier, or other superstructure, or to form a cofferdam, etc. [1913 Webster] Note: Tubular iron piles are now much used. [1913 Webster] 2. [Cf. F. pile.] (Her.) One of the ordinaries or subordinaries having the form of a wedge, usually placed palewise, with the broadest end uppermost. [1913 Webster] Pile bridge, a bridge of which the roadway is supported on piles. Pile cap, a beam resting upon and connecting the heads of piles. Pile driver, or Pile engine, an apparatus for driving down piles, consisting usually of a high frame, with suitable appliances for raising to a height (by animal or steam power, the explosion of gunpowder, etc.) a heavy mass of iron, which falls upon the pile. Pile dwelling. See Lake dwelling, under Lake. Pile plank (Hydraul. Eng.), a thick plank used as a pile in sheet piling. See Sheet piling, under Piling. Pneumatic pile. See under Pneumatic. Screw pile, one with a screw at the lower end, and sunk by rotation aided by pressure. [1913 Webster] Pneumatic \Pneu*mat"ic\, Pneumatical \Pneu*mat"ic*al\, a. [L. pneumaticus, Gr. ?, fr. ?, ?, wind, air, ? to blow, breathe; cf. OHG. fnehan: cf. F. pneumatique. Cf. Pneumonia.] 1. Consisting of, or resembling, air; having the properties of an elastic fluid; gaseous; opposed to dense or solid. [1913 Webster] The pneumatical substance being, in some bodies, the native spirit of the body. --Bacon. [1913 Webster] 2. Of or pertaining to air, or to elastic fluids or their properties; pertaining to pneumatics; as, pneumatic experiments. “Pneumatical discoveries.” --Stewart. [1913 Webster] 3. Moved or worked by pressure or flow of air; as, a pneumatic instrument; a pneumatic engine. [1913 Webster] 4. (Biol.) Fitted to contain air; Having cavities filled with air; as, pneumatic cells; pneumatic bones. [1913 Webster] 5. Adapted for containing compressed air; inflated with air; as, a pneumatic cushion; a pneumatic tire, a tire formed of an annular tube of flexible fabric, as India rubber, suitable for being inflated with air. [Webster 1913 Suppl.] Pneumatic action, or Pneumatic lever (Mus.), a contrivance for overcoming the resistance of the keys and other movable parts in an organ, by causing compressed air from the wind chest to move them. Pneumatic dispatch, a system of tubes, leading to various points, through which letters, packages, etc., are sent, by the flow and pressure of air. Pneumatic elevator, a hoisting machine worked by compressed air. Pneumatic pile, a tubular pile or cylinder of large diameter sunk by atmospheric pressure. Pneumatic pump, an air-exhausting or forcing pump. Pneumatic railway. See Atmospheric railway, under Atmospheric. Pneumatic syringe, a stout tube closed at one end, and provided with a piston, for showing that the heat produced by compressing a gas will ignite substances. Pneumatic trough, a trough, generally made of wood or sheet metal, having a perforated shelf, and used, when filled with water or mercury, for collecting gases in chemical operations. Pneumatic tube. See Pneumatic dispatch, above. [1913 Webster]


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