| 释义 |
bulkhead|ˈbʌlkhɛd|
Also 7 bulkeshead.
[App. f. bulk n.2 (or its etymon) + head; 1 and 2 may however be f. bulk n.1 in some sense.]
1. a. One of the upright partitions serving to form the cabins in a ship or to divide the hold into distinct water-tight compartments, for safety in case of collision or other damage. collision bulkhead: the foremost bulkhead in a vessel.
1496Naval Accts. Henry VII (1896) 167 Amendyng of the Bulke hede for Couching of Bere. 1626Capt. Smith Accid. Yng. Seamen 11 A quarter decke, the bulke, the bulkeshead. 1691T. Hale Acc. New Invent. 120 The Hull..shall be subdivided by other Decks and Bulk-heads. 1805Nelson in Nicolas Disp. VI. 354 Ever since we have been prepared for Battle: not a Bulk-head up in the Fleet. 1884Pall Mall G. 25 Aug. 8/2 She had a collision bulkhead and a bulkhead fore and aft.
b. transf.
1880Huxley Cray-Fish iv. 157 The curious pillars and bulkheads which enter into the composition of the Endophragmal system.
c. A similar partition in an airship, an aeroplane, or a train.
1921Discovery II. 97/1 The fuselage [sc. of the airship]..consists of riveted sheet duralumin, kept rigid by a series of internal duralumin girder bulkheads. 1935C. G. Burge Compl. Bk. Aviation 306/2 The main precaution against fire is the inclusion of a fireproof bulkhead between the engine compartment and the rest of the aeroplane. 1948‘N. Shute’ No Highway iii. 80 You must..sit down on the floor facing to the tail, with your back against the forward bulkhead. 1952Railway Age 24 Nov. 10 (Advt.), Bulkheads and partitions in this luxury car are 73% lighter than standard steel construction.
d. In a motor-car: the partition dividing the engine from the body. Cf. scuttle n.2 1 d.
1958F. J. Camm Practical Motorist's Encycl. (ed. 9) 473/2 Holes are drilled in the metal bulkhead or scuttle, and the holder fixed. 1962Which? (Car Suppl.) Oct. 138/2 The mounting bracket for the accelerator linkage came adrift from the bulkhead.
2. Mining. (See quot.)
1881Raymond Mining Gloss., Bulkhead, 1. A tight partition or stopping in a mine for protection against water, fire, gas. 2. The end of a flume, whence water is carried in iron pipes to hydraulic workings.
3. The roof of a bulk or projecting stall; also the stall itself. Cf. bulk n.2
1722De Foe Col. Jack (1840) 59 Resting his hand..upon the bulkhead of a ship. 1823Scott Peveril III. xii. 213 Suddenly placing him on the bulk-head, that is to say, the flat wooden roof of the cutler's projecting booth. 1837Dickens Pickw. xx, A small bulk-head beneath the taproom window, in size and shape not unlike a sedan-chair, being underlet to a mender of shoes. 1865Thoreau Cape Cod v. 73 An old woman came out and fastened the door of her bulkhead.
Hence ˈbulkˌheaded ppl. a., furnished with bulkheads; partitioned off by bulkheads.
1814Ann. Reg. 79/2 The vessel was bulk-headed up fore and aft. 1856Kane Arct. Expl. II. 311 A single apartment was bulkheaded off amidships as a dormitory. 1884Pall Mall G. 29 Oct. 2/1 The armed and bulkheaded merchant steamer giving a good account of the French man-of-war..is an enticing picture, and has been much petted and cackled about in some quarters. |