| 单词 |
stopcock |
| 释义 |
stopcock|ˈstɒpkɒk|
[f. stop n.2 or v. + cock n.1 12.]
A tap or short pipe furnished with a valve operated from the outside by turning a key or handle, for the purpose of stopping or permitting as required the passage of liquid, air, steam, gas or the like. (Sometimes improperly applied to the key or handle by which the valve is turned.)
1584in Hudson & Tingey Rec. Norwich (1910) II. 393 The sayd maynepype and pypes, systerne, cockes and stopcockes. 1653H. More Antid. Ath. ii. ii. §8 (1712) 44 Apply a tapering Valve of Brass to the lower branch of the Stopcock of the Receiver well emptied of Air, as before, and turn the Key of the Stopcock. 1664Pepys Diary 25 Dec., Some family offences, such as my having of a stopcock to keepe the water from them. 1755Gentl. Mag. XXV. 494 At one end of this cylinder there is screwed a pneumatic gun..furnished with a stop-cock, to be used occasionally. 1790Act 30 Geo. III c. 21 §1 Such Pipes, Stop Cocks, Plugs [etc.]. 1844H. Stephens Bk. Farm II. 209 The common stop-cock, with a lengthened tail passing downward. 1894Times 12 July 14/1 The stopcock..was placed in the service pipe leading from the water main into the adjoining house.
b. attrib.
1797J. Curr Coal Viewer 63, 2 Feeding cocks made in the stop cock way, with a hole in the key to turn by hand occasionally. 1857Miller Elem. Chem., Org. 21 The stop⁓cock tube, c, is connected with an exhausting syringe. 1901Westm. Gaz. 21 Feb. 2/3 The consumers..are to be compelled to put ‘stop-cock’ boxes in the pavements outside their houses. |
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