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Indium - Dictionary Definition and Overview |
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Indium : (noun)
1: a rare soft silvery metallic element; occurs in small
quantities in sphalerite [syn: In, atomic number 49]
Based on WordNet 2.0
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Indium : \In"di*um\, n. [NL. See Indigo.] (Chem.)
A rare metallic element, discovered in certain ores of zinc,
by means of its characteristic spectrum of two indigo blue
lines; hence, its name. In appearance it resembles zinc,
being white or lead gray, soft, malleable and easily fusible,
but in its chemical relation it resembles aluminium or
gallium. Symbol In. Atomic weight, 113.4.
Based on Webster's Revised Unabridged Dictionary
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Indium : Symbol: In
Atomic number: 49
Atomic weight: 114.82
Soft silvery element belonging to group 13 of the periodic table. The most
common natural isotope is In-115, which has a half-life of 6*10^4 years.
Five other radioisotopes exist. Discovered in 1863 by Reich and Richter.
Based on Webster's Revised Unabridged Dictionary (1913)
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