| 单词 | miner's inch |
| 释义 | > as lemmasminer's inch d. As a unit of measurement of the flow of water (esp. in mining, whence specifically called miner's inch): That amount of water that will pass in 24 hours through an opening of 1 square inch under a constant pressure of 6 inches. ΘΚΠ the world > matter > liquid > liquid flow > action or process of flowing > [noun] > unit of water flow measurement water-inch1847 inch1858 miner's inch1865 second-foot1898 1858 D. Lardner Hand-bk. Nat. Philos.: Hydrostatics, Pneumatics, & Heat (new ed.) 238 The rate of discharge from the orifice is called the inch of water, and is the hydraulic unit by which the discharge from pumps is expressed. 1877 R. W. Raymond Statistics Mines & Mining 90 (note) One 24-hour miners' inch is equivalent to 2,230 cubic feet of water. 1877 R. W. Raymond Statistics Mines & Mining 95 Water at that time cost 75 cents an inch. 1882 Rep. Precious Metals (U.S. Bureau of Mint) 646 The nearest even figure, is 17,000 gallons in twenty-four hours, and, in the absence of any legal determination, this may be regarded as the approximately correct equivalent of a miner's inch of water. miner's inch miner's inch n. (also miners' inch) = inch n.1 1d. ΚΠ 1865 Sci. Amer. 15 Apr. 241/1 The quantity that will be discharged through an inch opening with a six inch head measured from the center of the opening is called a miner's inch of water. 1949 W. Hertrich Huntington Bot. Gardens 6 The purchasers of water rights had the additional privilege of..pumping water not to exceed 30 miners' inches. < as lemmas |
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