单词 | air-box |
释义 | air-boxn. 1. An air chamber (in various senses). Now chiefly historical. ΘΚΠ society > travel > travel by water > vessel, ship, or boat > equipment of vessel > other equipment of vessel > [noun] > device to increase or adjust buoyancy > specific air chamber1664 air-box1744 trimming-tank1903 squatboard1905 sponson1968 the world > matter > properties of materials > temperature > coldness > extinguishing fire > [noun] > fire-fighting > a substance or apparatus for extinguishing > pump > air-chamber of air-box1857 1744 B. Franklin Acct. Pennsylvanian Fire-places 68 The heat likewise, which the fire communicates to the sides, back bottom, and air-box, is all brought into the room. 1756 London Mag. Mar. 126/1 The air-pipe, which passes thro' the head of the still, will help to keep the air-box from moving to and fro by the motion of the ship. 1838 E. A. Poe Narr. A. G. Pym in Wks. (1864) IV. 20 Fitted..with air-boxes in the manner of some life-boats. 1857 R. Tomes Americans in Japan xiv. 316 These engines..are deficient in the important part of the machine called the air-box. 1879 Jrnl. Amer. Geogr. Soc. N.Y. 11 77 It would also be important to have all the doors and other movable woodwork given extra buoyancy by having air boxes fitted in the panels. 1962 J. Thewlis et al. Encycl. Dict. Physics II. 197 If the flow to be measured is pulsating..it can be reduced to a steady state by the use of an air box. 1996 E. T. Drake Restless Genius i. 21 The operator was able to breathe under water through a pipe connected to an air-box for four minutes. 2. Mining. A wooden tube that conveys air for ventilation. ΘΚΠ society > occupation and work > equipment > mining equipment > [noun] > ventilation equipment air machine1720 fire pan1730 ventilator1743 airshaft1753 air-box1777 screen1854 screen cloth1868 1777 London Mag. Sept. 465/1 To supply the drift with air, the miners, are obliged on the south side of the drift to confine the air by a concave bratis or air box. 1849 G. C. Greenwell Gloss. Terms Coal Trade Northumberland & Durham Air-box, a square wooden tube used to convey air into the face of a single drift, or into a sinking pit. 1918 Mining & Sci. Press 16 Feb. 226/2 An air-box has been placed in one corner of the pump-compartment of the shaft. At each level, part of the air is taken out. 1934 Coal Age Sept. 343/2 Under this floor is an air-box the air flow to which is regulated by three valves in each compartment. 2017 J. Hairr Coal Mine Disasters N. Carolina Gloss. 91 Air-box, a rectangular channel made of deals for the conveyance of air for ventilation. This entry has been updated (OED Third Edition, June 2008; most recently modified version published online December 2021). < n.1744 |
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