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De - Pt| English Dictionary: pneumatic | by the DICT Development Group |
| 4 results for pneumatic | |
| From WordNet (r) 3.0 (2006) [wn]: | |
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| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Pneumatic \Pneu*mat"ic\, n. A vehicle, as a bicycle, the wheels of which are fitted with pneumatic tires. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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Pneumatic \Pneu*mat"ic\, Pneumatical \Pneu*mat"ic*al\, a. 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. | |
| From Webster's Revised Unabridged Dictionary (1913) [web1913]: | |
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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. The pneumatical substance being, in some bodies, the native spirit of the body. --Bacon. 2. Of or pertaining to air, or to elastic fluids or their properties; pertaining to pneumatics; as, pneumatic experiments. [bd]Pneumatical discoveries.[b8] --Stewart. 3. Moved or worked by pressure or flow of air; as, a pneumatic instrument; a pneumatic engine. 4. (Biol.) Fitted to contain air; Having cavities filled with air; as, pneumatic cells; pneumatic bones. {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. | |
