单词 | tellurium |
释义 | tellurium[ te-loor-ee-uhm ] / tɛˈlʊər i əm / noun Chemistry.a rare, lustrous, brittle, crystalline, silver-white element resembling sulfur in its properties, and usually occurring in nature combined with gold, silver, or other metals of high atomic weight: used in the manufacture of alloys and as a coloring agent in glass and ceramics. Symbol: Te; atomic weight: 127.60; atomic number: 52; specific gravity: 6.24. Origin of tellurium<New Latin (1798), equivalent to Latin tellūr- (stem of tellūs) earth + -ium Words nearby telluriumtelluric, telluric acid, telluride, tellurion, tellurite, tellurium, tellurize, telluro-, tellurometer, tellurous, Tellus Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for telluriumBritish Dictionary definitions for telluriumtellurium / (tɛˈlʊərɪəm) / nouna brittle silvery-white nonmetallic element occurring both uncombined and in combination with metals: used in alloys of lead and copper and as a semiconductor. Symbol: Te; atomic no: 52; atomic wt: 127.60; valency: 2, 4, or 6; relative density: 6.24; melting pt: 449.57±0.3°C; boiling pt: 988°C Word Origin for telluriumC19: New Latin, from Latin tellūs the earth, formed by analogy with uranium 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 Medical definitions for telluriumtellurium [ tĕ-lur′ē-əm ] n. Symbol TeA brittle metallic element usually found in combination with gold and other metals, used to alloy stainless steel and lead, and in thermoelectric devices. Atomic number 52. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for telluriumtellurium [ tĕ-lur′ē-əm ] TeA metalloid element that occurs as either a brittle, shiny, silvery-white crystal or a gray or brown powder. Small amounts of tellurium are used to improve the alloys of various metals. Atomic number 52; atomic weight 127.60; melting point 449.5°C; boiling point 989.8°C; specific gravity 6.24; valence 2, 4, 6. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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