单词 | catchwater |
释义 | catchwatern. 1. Esp. in catchwater drain. A ditch designed to channel water for irrigation or drainage, esp. on a hillside; (also) a drain which carries away surplus water from a canal or larger drain; a catch drain. ΘΚΠ the world > the earth > water > lake > pool > [noun] > artificially confined water > contrivance for impounding water > weir > types of mill weirlOE foot weirc1474 kiddle1477 rowte weir1584 catchwater drain1744 carry1753 dam-head1762 overfall1764 gauge-weir1791 shutter weir1880 society > occupation and work > equipment > machine > machines which impart power > engine > steam engine > [noun] > parts of > chambers or reservoirs receiver1702 hot well1729 catchwater drain1744 steam-vessel1769 explosion chamber1839 uptake1839 smoke-box1846 combustion chamber1854 receiver1873 tube-case1890 1744 J. Grundy Scheme for restoring & making Perfect Navigation River Witham 31 It will not only drain the said Lands, but serve as a Catch-Water Drain. 1799 A. Young Gen. View Agric. County Lincoln xii. 275 The catch-water drain runs all winter. 1838 Civil Engineer & Architect's Jrnl. 1 256/2 I shall now proceed to describe the mode of discharging, by catch-water courses or drains, all the brooks and rivers which flow into it. 1877 Law Rep.: Appeal Cases 2 844 The weirs or catchwaters are used to divert the water to the lades. 1963 Times 7 Mar. 10/6 Fourteen miles of catchwaters have been built around the valley, and it is hoped they will catch about 90 per cent of the rain that falls. 1982 Indian Forester Sept. 615 Soil conservation measures such as..catchwater drains, side gutters, cross drainage works and water tables, on forest roads, are being undertaken. 2017 S. Oosthuizen Anglo-Saxon Fenland vii. 118 (caption) The uplands lie to the right of the catchwater. a. In some types of steam engine: a receptacle located at, and extending below, the lowest point of the steam pipes, which is used to collect droplets of condensing water, and prevent it from reaching a cylinder of the engine. Obsolete. ΘΚΠ society > occupation and work > equipment > receptacle or container > [noun] > for fluid > as part of some apparatus reservoir1714 catchwater1875 catch reservoir1878 1875 J. Turnbull New Guide Local Marine Board Exam. for Engineers 56 An Interceptor or Catch-Water is for the purpose of preventing as little water as possible from reaching the cylinder through the steam pipes. 1888 Lockwood's Dict. Mech. Engin. Interceptor, a T-shaped cylindrical vessel employed in connection with marine engines to prevent particles of water from being carried over with the steam into the cylinders... Called also catch water. 1900 N. Hawkins Maxims & Instr. Boiler Room 183 This appliance, which is also called an interceptor or catch water, is generally a T shaped pipe. b. In a chemical apparatus: a receptacle that intercepts water which runs over, or condenses on, the outside surface of vessel. Obsolete. rare. ΘΚΠ the world > life > biology > laboratory analysis > apparatus > [noun] > other apparatus compressorium1845 air bath1848 compressor1881 Berkefeld1891 incubator1896 catchwater1901 ultrafilter1908 fermenter1925 gradocol membrane1931 roller tube1933 Tiselius (electrophoresis) apparatus1939 sonicator1952 Sonifier1961 cytocentrifuge1966 lyophilizer1967 biochip1980 1901 M. W. Travers Exper. Study Gases 33 The water runs into a catch-water below the bulb, and is conducted away. 1909 Cent. Dict. Suppl. Catchwater, in phys., a conical receiver placed beneath a bulb, flask, or other vessel to catch the water which is condensed upon its outer surface. Compounds catch-water meadow n. now historical a meadow on a hillside irrigated by a series of ditches or catch drains (see catch drain n. at catch v. Compounds); cf. catch meadow n. at catch v. Compounds. ΚΠ c1810 G. A. Cooke Topogr. & Statist. Descr. Berks. 27 The catch-water meadow is made by turning a spring, or small stream, along the side of a hill, and thereby watering the land between the New Cut..and the original water-course, which now becomes the ‘main drain’. 1879 Cassell's Techn. Educator vii. 23 In catch-water meadows the water is allowed to flow on to the most elevated portion..by means of a ‘feeder’. 2006 H. Riley Hist. Landscape Quantock Hills v. 135/1 A catch-water meadow at East Nurcott Farm near Winsford on Exmoor was still worked in the late 20th century. Most catch-water meadows..went out of use by the mid-20th century when the widespread use of tractors and a shortage of agricultural workers led to their demise. This entry has been updated (OED Third Edition, December 2018; most recently modified version published online December 2021). < n.1744 |
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