a rare metallic element, soft, white, malleable, and easily fusible, found combined in various ore minerals, especially sphalerite: so called from the two indigo-blue lines in its spectrum. Symbol: In; atomic weight: 114.82; atomic number: 49; specific gravity: 7.3 at 20°C.
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How to use indium in a sentence
Though it requires complex engineering, one promising approach combines traditional silicon circuits with those made from more exotic compound semiconductors, such as indium phosphide.New 6G challenges inspire cross-disciplinary innovation | MIT Technology Review Insights | August 29, 2022 | MIT Technology Review
Turns out they contain elements — cobalt and indium, to name just two — that are becoming increasingly scarce.
With today’s trends of natural resource use, natural sources of indium will be depleted in about 10 years, platinum in 15 years and silver in 20 years.We’re Using Microbes to Clean Up Toxic Electronic Waste. Here’s How | Sebastien Farnaud | August 20, 2020 | Singularity Hub
In properties gallium is more or less intermediate between the metals aluminium and indium.
Antimony follows closely in the track of gallium and indium, the upper ring of spheres being identical.Occult Chemistry | Annie Besant and Charles W. Leadbeater
indium oxide, In2O3, is a yellow powder which is formed on ignition of the hydroxide.
The mono- and dichlorides are decomposed by water with the formation of the trichloride, and separation of metallic indium.
Lecoq de Boisbaudran and E. Jungfleisch, on the extraction of gallium from the ores in which it is found associated with indium.
British Dictionary definitions for indium
a rare soft silvery metallic element associated with zinc ores: used in alloys, electronics, and electroplating. Symbol: In; atomic no: 49; atomic wt: 114.82; valency: 1, 2, or 3; relative density: 7.31; melting pt: 156.63°C; boiling pt: 2073°C
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 indium
A soft, malleable, silvery-white metallic element that occurs mainly in ores of zinc and lead. It is used in the manufacture of semiconductors, in bearings for aircraft engines, and as a plating over silver in mirrors. Atomic number 49; atomic weight 114.82; melting point 156.61°C; boiling point 2,080°C; specific gravity 7.31; valence 1, 2, 3. See Periodic Table.
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