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indium

[ in-dee-uhm ]

noun

, Chemistry.
  1. 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. : In; : 114.82; : 49; : 7.3 at 20°C.


indium

/ ˈɪndɪəm /

noun

  1. 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

indium

/ ĭndē-əm /

  1. 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.
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Word History and Origins

Origin of indium1

1860–65; < New Latin, equivalent to ind ( icum ) indigo + -ium -ium
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Word History and Origins

Origin of indium1

C19: New Latin, from indigo + -ium
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Example Sentences

One of their samples turned out to be a brilliant blue, named YInMn blue after the component elements yttrium, indium and manganese.

The resulting, extremely thin quantum semiconductors are composed of a single atom layer -- in indenene's case, indium atoms -- and act as topological insulators, conducting electricity virtually without resistance along their edges.

The Dortmund physicists led by Dr. Alex Greilich have now designed a special crystal made of indium gallium arsenide, in which the nuclear spins act as a reservoir for the time crystal.

Achieving high-efficiency green emission has been difficult with traditional hexagonal III-nitride even with increasing the indium content -- a costly element required for green emission -- which leads to higher defect densities and efficiency droop.

The researchers pinpointed indium as an exceptionally promising material for fast-charging batteries.

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