单词 | lignite |
释义 | lignite[ lig-nahyt ] / ˈlɪg naɪt / nouna soft coal, usually dark brown, often having a distinct woodlike texture, and intermediate in density and carbon content between peat and bituminous coal. Origin of ligniteFirst recorded in 1800–10; lign- + -ite1 OTHER WORDS FROM lignitelig·nit·ic [lig-nit-ik], /lɪgˈnɪt ɪk/, adjectiveWords nearby lignitelignicolous, ligniform, lignify, lignin, lignin sulfonate, lignite, lignivorous, ligno-, lignocaine, lignocellulose, lignum Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for ligniteBritish Dictionary definitions for lignitelignite / (ˈlɪɡnaɪt) / nouna brown carbonaceous sedimentary rock with woody texture that consists of accumulated layers of partially decomposed vegetation: used as a fuel. Fixed carbon content: 46–60 per cent; calorific value: 1.28 × 10 7 to 1.93 × 10 7 J/kg (5500 to 8300 Btu/lb)Also called: brown coal Derived forms of lignitelignitic (lɪɡˈnɪtɪk), adjectiveCollins 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 lignitelignite [ lĭg′nīt′ ] A soft, brownish-black form of coal having more carbon than peat but less carbon than bituminous coal. Lignite is easy to mine but does not burn as well as other forms of coal. It is a greater polluter than bituminous coal because it has a higher sulphur content. Compare anthracite bituminous coal. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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