| 单词 | excavation |
| 释义 | excavation (once / 1569 pages) n Excavation is the act or process of digging, especially when something specific is being removed from the ground. Archaeologists use excavation to find artifacts and fossils. There are many types of excavation, but they all involve digging holes in the earth. Mining for coal, gold, or diamonds all require excavation, and before buildings and houses can be built, there is often some excavation that's done before a foundation can be poured. The Latin source of excavation is excavationem, "a hollowing out," from excavare, "to hollow out," with its roots of ex-, "out," and cavare, "to hollow." WORD FAMILYexcavation: excavations+/excavate: excavated, excavates, excavating, excavation, excavator/excavator: excavators USAGE EXAMPLES“They started issuing licenses, collecting taxes on excavation,” Azm said in a phone interview Monday. Los Angeles Times(Dec 31, 2016) In modern excavations, the site yielded a wealth of Mesopotamian art. Seattle Times(Dec 31, 2016) This year, the excavation of an adjacent settlement preserved in the river silts threw open another window on to life in Bronze Age Britain. BBC(Dec 29, 2016) 1n the act of digging there's an interesting excavation going on near Princeton Syn|Hyper dig, digging creating by removal the act of creating by removing something 2n a hole in the ground made by excavating Hypo|Hyper bore, bore-hole, drill hole a hole or passage made by a drill; usually made for exploratory purposes delfan excavation; usually a quarry or mine diggings, digsan excavation for ore or precious stones or for archaeology ditcha long narrow excavation in the earth mineexcavation in the earth from which ores and minerals are extracted mineshaftexcavation consisting of a vertical or sloping passageway for finding or mining ore or for ventilating a mine pit, quarry, stone pita surface excavation for extracting stone or slate poolan excavation that is (usually) filled with water cellar, root cellaran excavation where root vegetables are stored wella deep hole or shaft dug or drilled to obtain water or oil or gas or brine working, workingsa mine or quarry that is being or has been worked artesian wella well drilled through impermeable strata into strata that receive water from a higher altitude so there is pressure to force the water to flow upward chalk pit, chalkpita quarry for chalk cisternan artificial reservoir for storing liquids; especially an underground tank for storing rainwater coal mine, coalpita mine where coal is dug from the ground copper minea mine where copper is dug from the ground drainage ditcha ditch for carrying off excess water or sewage driven well, tube wella well made by driving a tube into the earth to a stratum that bears water gas wella well that yields or has yielded natural gas gold mine, goldminea mine where gold ore is found gravel pita quarry for gravel irrigation ditcha ditch to supply dry land with water artificially oil well, oilera well that yields or has yielded oil salt minea mine where salt is dug shot holedrill hole for a charge of an explosive silver minea mine where silver ore is dug strip minean open mine (usually for coal) where the seams run close to the surface sulfur mine, sulphur minea mine where sulphur is dug from the ground sumpa well or other hole in which water has collected ha-ha, haw-haw, sunk fencea ditch with one side being a retaining wall; used to divide lands without defacing the landscape natatorium, swimming bath, swimming poolpool that provides a facility for swimming trencha ditch dug as a fortification having a parapet of the excavated earth trenchany long ditch cut in the ground wading poola shallow pool for children water jumpa pool or stream in a steeplechase or similar contest artefact, artifact a man-made object taken as a whole 3n the act of extracting ores or coal etc from the earth Syn|Hypo|Hyper mining placer mining mining valuable minerals from a placer by washing or dredging opencast mining, strip miningthe mining of ore or coal from an open mine production (economics) manufacturing or mining or growing something (usually in large quantities) for sale 4n the site of an archeological exploration Syn|Exp|Hyper archeological site, dig Byblos an ancient Mediterranean seaport that was a thriving city state in Phoenicia during the second millennium BC; was the chief port for the export of papyrus; located in Lebanon to the north of Beirut; now partially excavated land site, site the piece of land on which something is located (or is to be located) |
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