rhenium

[ ree-nee-uhm ]

/ ˈri ni əm /

noun Chemistry.

a rare metallic element of the manganese subgroup: used, because of its high melting point, in platinum-rhenium thermocouples. Symbol: Re; atomic number: 75; atomic weight: 186.2.

Origin of rhenium

1920–25; <New Latin, equivalent to Latin Rhēn(us) Rhine + -ium-ium

Words nearby rhenium

rhematic, rheme, Rhemish, rhenic, Rhenish, rhenium, rheo-, rheobase, rheology, rheometer, rheometry

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for rhenium

rhenium

/ (ˈriːnɪəm) /

noun

a dense silvery-white metallic element that has a high melting point. It occurs principally in gadolinite and molybdenite and is used, alloyed with tungsten or molybdenum, in high-temperature thermocouples. Symbol: Re; atomic no: 75; atomic wt: 186.207; valency: –1 or 1–7; relative density: 21.02; melting pt: 3186°C; boiling pt: 5596°C (est)

Word Origin for rhenium

C19: New Latin, from Rhēnus the Rhine

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 rhenium

rhenium

[ rē′nē-əm ]

n. Symbol Re

A rare dense metallic element with a high melting point, used in plating medical instruments. Atomic number 75.

Scientific definitions for rhenium

rhenium

[ rē′nē-əm ]

Re

A very rare, dense, silvery-white metallic element with a very high melting point. It is used to make catalysts and electrical contacts. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 7. See Periodic Table.

单词	rhenium
释义	rhenium [ ree-nee-uhm ] / ˈri ni əm / noun Chemistry. a rare metallic element of the manganese subgroup: used, because of its high melting point, in platinum-rhenium thermocouples. Symbol: Re; atomic number: 75; atomic weight: 186.2. Origin of rhenium 1920–25; <New Latin, equivalent to Latin Rhēn(us) Rhine + -ium-ium Words nearby rhenium rhematic, rheme, Rhemish, rhenic, Rhenish, rhenium, rheo-, rheobase, rheology, rheometer, rheometry Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 British Dictionary definitions for rhenium rhenium / (ˈriːnɪəm) / noun a dense silvery-white metallic element that has a high melting point. It occurs principally in gadolinite and molybdenite and is used, alloyed with tungsten or molybdenum, in high-temperature thermocouples. Symbol: Re; atomic no: 75; atomic wt: 186.207; valency: –1 or 1–7; relative density: 21.02; melting pt: 3186°C; boiling pt: 5596°C (est) Word Origin for rhenium C19: New Latin, from Rhēnus the Rhine 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 rhenium rhenium [ rē′nē-əm ] n. Symbol Re A rare dense metallic element with a high melting point, used in plating medical instruments. Atomic number 75. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for rhenium rhenium [ rē′nē-əm ] Re A very rare, dense, silvery-white metallic element with a very high melting point. It is used to make catalysts and electrical contacts. Atomic number 75; atomic weight 186.2; melting point 3,180°C; boiling point 5,627°C; specific gravity 21.02; valence 1, 2, 3, 4, 5, 6, 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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