单词 | bromine |
释义 | bromine[ broh-meen, -min ] / ˈbroʊ min, -mɪn / noun Chemistry.an element that is a dark-reddish, fuming, toxic liquid and a member of the halogen family: obtained from natural brines and ocean water, and used chiefly in the manufacture of gasoline antiknock compounds, pharmaceuticals, and dyes. Symbol: Br; atomic weight: 79.909; atomic number: 35; specific gravity: 3.119 at 20°C. Origin of bromine1827; <French brome bromine (<Greek brômos stench) + -ine2 Words nearby brominebromide, bromide paper, bromidic, bromidrosis, brominate, bromine, bromine pentafluoride, bromism, bromize, Bromley, bromo- Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for bromineBritish Dictionary definitions for brominebromine / (ˈbrəʊmiːn, -mɪn) / nouna pungent dark red volatile liquid element of the halogen series that occurs in natural brine and is used in the production of chemicals, esp ethylene dibromide. Symbol: Br; atomic no: 35; atomic wt: 79.904; valency: 1, 3, 5, or 7; relative density 3.12; density (gas): 7.59 kg/m³; melting pt: –7.2°C; boiling pt: 58.78°C Word Origin for bromineC19: from French brome bromine, from Greek brōmos bad smell + -ine ², 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 brominebromine [ brō′mēn ] n. Symbol BrA volatile nonmetallic liquid element having a highly irritating vapor and used in disinfecting water and in various pharmaceuticals. Atomic number 35. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for brominebromine [ brō′mēn ] BrA reddish-brown volatile element of the halogen group found in compounds occurring in ocean water. The pure form is a nonmetallic liquid that gives off a highly irritating vapor. It is used to make dyes, sedatives, and photographic film. Atomic weight 79.904; atomic number 35; melting point 7.2°C; boiling point 58.78°C; specific gravity 3.12; valence 1, 3, 5, 7. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved. |
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