单词 | backsight |
释义 | backsight[ bak-sahyt ] / ˈbækˌsaɪt / noun Surveying.a sight on a previously occupied instrument station. (in leveling) the reading on a rod that is held on a point of known elevation, used in computing the elevation of the instrument. Origin of backsightFirst recorded in 1840–50; back2 + sight Words nearby backsightback shift, backshore, backside, backside-front, backside-to, backsight, back slang, backslap, backslapping, backslash, backslide Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for backsight
British Dictionary definitions for backsightbacksight / (ˈbækˌsaɪt) / nounthe sight of a rifle nearer the stock surveying a reading taken looking backwards to a previously occupied stationCompare foresight (def. 4) Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 |
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