| 单词 | oil shale |
| 释义 | oil shalenoun Geology.a black or dark-brown shale or siltstone rich in bitumens, from which shale oil is obtained by destructive distillation. Origin of oil shaleFirst recorded in 1870–75 Words nearby oil shaleOil Rivers, oil sand, oil sands, oilseed, oil-seed rape, oil shale, oilskin, oil slick, oil spill, oilspot glaze, oilstone Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for oil shale
British Dictionary definitions for oil shaleoil shale nouna fine-grained shale containing oil, which can be extracted by heating 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 Scientific definitions for oil shaleoil shale A fine-grained black or dark brown shale containing hydrocarbons in the form of kerogen. When heated, oil shale yields petroleum or natural gas. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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