单词 | antimony |
释义 | antimony[ an-tuh-moh-nee ] / ˈæn təˌmoʊ ni / noun Chemistry.a brittle, lustrous, white metallic element occurring in nature free or combined, used chiefly in alloys and in compounds in medicine. Symbol: Sb; atomic number: 51; atomic weight: 121.75. Origin of antimony1375–1425; late Middle English antimonie<Medieval Latin antimōnium, perhaps <dialectal Arabic uthmud OTHER WORDS FROM antimonyan·ti·mo·ni·al, adjective, nounWords nearby antimonyantimonial, antimonic, antimonide, antimonous, antimonsoon, antimony, antimony 124, antimony hydride, antimonyl, antimony oxychloride, antimony pentasulfide Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for antimonyBritish Dictionary definitions for antimonyantimony / (ˈæntɪmənɪ) / nouna toxic metallic element that exists in two allotropic forms and occurs principally in stibnite. The stable form is a brittle silvery-white crystalline metal that is added to alloys to increase their strength and hardness and is used in semiconductors. Symbol: Sb; atomic no: 51; atomic wt: 121.757; valency: 0, –3, +3, or +5; relative density: 6.691; melting pt: 630.76°C; boiling pt: 1587°C Word Origin for antimonyC15: from Medieval Latin antimōnium, of uncertain origin 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 antimonyantimony [ ăn′tə-mō′nē ] n. Symbol SbA toxic metallic element, compounds of which are used as anthelmintics, especially in the treatment of schistosomiasis. Atomic number 51. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for antimonyantimony [ ăn′tə-mō′nē ] SbA metalloid element having many forms, the most common of which is a hard, very brittle, shiny, blue-white crystal. It is used in a wide variety of alloys, especially with lead in car batteries, and in the manufacture of flameproofing compounds. Atomic number 51; atomic weight 121.76; melting point 630.5°C (1,167°F); boiling point 1,380°C (2,516°F); specific gravity 6.691; valence 3, 5. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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