| 单词 | sillimanite |
| 释义 | sillimanite[ sil-uh-muh-nahyt ] / ˈsɪl ə məˌnaɪt / nouna mineral, aluminum silicate, Al2SiO5, occurring in the form of long, slender, and often fibrous crystals. Also called fibrolite. Origin of sillimanite1825–30; named after B. Silliman; see -ite1 Words nearby sillimaniteSillanpää, sillcock, siller, Sillery, Silliman, sillimanite, Sillitoe, Sills, silly, silly billy, Silly Putty Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for sillimanite
British Dictionary definitions for sillimanitesillimanite / (ˈsɪlɪməˌnaɪt) / nouna white, brown, or green fibrous mineral that consists of aluminium silicate in orthorhombic crystalline form and occurs in metamorphic rocks. Formula: Al 2 SiO 5 Word Origin for sillimaniteC19: named after Benjamin Silliman (1779–1864), US chemist 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 sillimanitesillimanite [ sĭl′ə-mə-nīt′ ] A usually white, pale-green or brown orthorhombic mineral occurring as long, slender, fibrous crystals in metamorphic rocks. It is a polymorph of andalusite and kyanite, but can form at higher temperatures than either of these. Chemical formula: Al2SiO5. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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