1) Atomic number 68 2) Chemical element 3) Element discovered in 1842 4) Element discovered in 1843 5) Element number 68 6) Element with the symbol Er 7) Malleable rare-earth element 8) Metal 9) Metallic element 10) Occurs with yttrium 11) Rare earth metal 12) Rare-earth element 13) Reducing agent 14) Soft metallic element
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1) Er 2) Rare earth
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Erbium is a chemical element in the lanthanide series, with the symbol Er and atomic number 68. A silvery-white solid metal when artificially isolated, natural erbium is always found in chemical combination with other elements on Earth. As such, it is a rare earth element which is associated with several other rare elements in the mineral gadolini...
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http://en.wikipedia.org/wiki/Erbium
• (n.) A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic weight 165.9. Its salts are rose-colored and give characteristic spectra. Its sesquioxide is called erbia. • (n.) A metallic element of the rare earth group, found in gadolinite and some other mine...
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http://thinkexist.com/dictionary/meaning/erbium/
(Er), chemical element, rare-earth metal of the lanthanoid series of the periodic table. Erbium is a grayish silver element that also occurs as a ... [2 related articles]
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http://www.britannica.com/eb/a-z/e/39
(Er) A silvery, metallic element of the lanthanide series, discovered by C. G. Mosander in Stockholm in 1843; it is named after the Swedish town of Ytterby, where the mineral from it was first isolated was found. There are six naturally occurring isotopes, and the chief ores are...
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http://www.daviddarling.info/encyclopedia/E/erbium.html
<chemistry, element> A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Its salts are rose-coloured and give characteristic spectra. Its sesquioxide is called erbia. ... Atomic weight: 165.9 ... Abbreviation: Er ... Origin: NL. From Ytterby, in Sweden, where gadolinite is foun...
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http://www.encyclo.co.uk/local/20973
(Er) (ur´be-әm) a chemical element, atomic number 68, atomic weight 167.26.
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http://www.encyclo.co.uk/local/21001
Er'bi·um noun [ New Latin from Ytt
erb y, in Sweden, where gadolinite is found. Confer
Terbium ,
Yttrium ,
Ytterbium .]
(Chemistry) A rare metallic element associated with several other rare elements in the mineral gadolinite from Ytterby in Sweden. Symbol Er. Atomic ...
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http://www.encyclo.co.uk/webster/E/61
(Er) Type: Term Pronunciation: er′bē-ŭm Definitions: 1. A rare earth (lanthanide) element, atomic no. 68, atomic wt. 167.26.
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http://www.medilexicon.com/medicaldictionary.php?t=30121
Erbium is a metal element with the symbol Er.
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Erbium is a cultivated variety of potato.
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[
n] - a trivalent metallic element of the rare earth group
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http://www.webdictionary.co.uk/definition.php?query=erbium
A member of the lanthanide group of elements, erbium is a silver grey metal. It has high electrical resistivity and has properties similar to holmium and dysprosium. It is always found in combination with other rare earths, being found in small quantities in the same minerals as dysprosium (gadolinite, fergusonite and xenotime). It slowly tarnishes...
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https://www.encyclo.co.uk/local/20687
Er noun a trivalent metallic element of the rare earth group; occurs with yttrium
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Soft, lustrous, greyish, metallic element of the lanthanide series, atomic number 68, relative atomic mass 167.26. It occurs with the element yttrium or as a minute part of various minerals. It was discovered in 1843 by Carl Mosander (1797–1858), and named after the town of Ytterby, Sweden, near which the lanthanides (rare-earth elements) ...
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https://www.encyclo.co.uk/local/21221
a rare-earth metallic element, having pink salts. Symbol: Er; at. wt.: 167.26; at. no.: 68.
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