- a metallic element of the rare earth groupFound on http://www.webdictionary.co.uk/definition.php?query=terbium
A lanthanide group metal, it is soft, malleable and ductile. Terbium has an abundance of 1.1 ppm in the earth`s crust and is found in minerals in combination with other lanthanide group elements. It is slowly oxidised in air, the rate of the reaction being increased if terbium powder is used. Terbium reacts slowly with cold water. Terbium is used i...Found on http://www.diracdelta.co.uk/science/source/t/e/terbium/source.html
[ New Latin , from Yt terby
, in Sweden. See Erbium
A rare metallic element, of uncertain identification, supposed to exist in certain minerals, as gadolinite and samarskite, with other rare ytterbium earth. Symbol Tr or Tb. Atomic weight 150. Found on http://www.encyclo.co.uk/webster/T/28
a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbiteFound on http://wordnetweb.princeton.edu/perl/webwn?s=terbium
(Tb) (ter´be-әm) a chemical element, atomic number 65, atomic weight 158.924.Found on http://www.encyclo.co.uk/local/21001
• (n.) A rare metallic element, of uncertain identification, supposed to exist in certain minerals, as gadolinite and samarskite, with other rare ytterbium earth. Symbol Tr or Tb. Atomic weight 150.Found on http://thinkexist.com/dictionary/meaning/terbium/
(Tb), chemical element, rare-earth metal of the lanthanoid series of the periodic table. One of the least abundant of the rare earths, terbium, when ... [2 related articles]Found on http://www.britannica.com/eb/a-z/t/26
A silver-gray metallic element of the lanthanide series. Discovered in 1843, it is found in such minerals as monazite, gadolinite, and apatite. The soft element is used in semiconductors; sodium terbium borate is used in lasers. Its single natural isotope is 159&...
Found on http://www.daviddarling.info/encyclopedia/T/terbium.html
terbium (tûr'bēum) [from Ytterby, a village in Sweden], metallic chemical element; symbol Tb; at. no. 65; at. wt. 158.9254; m.p. 1,356°C; b.p. 3,123°C; sp. gr. about 8.25; valence +3 or +4. Terbium is a soft, malleable, ductile, silver-gray metal. It is one of the rare-earth m...
Found on http://www.infoplease.com/ce6/sci/A0848205.html
Terbium is a metal element with the symbol Tb belonging to the series known as rare earths.
Found on http://www.probertencyclopaedia.com/browse/GT.HTM
(Tb) Type: Term Pronunciation: ter′bē-ŭm Definitions: 1. A metallic element of the lanthanide or rare earth series, atomic no. 65, atomic wt. 158.92534.
Found on http://www.medilexicon.com/medicaldictionary.php?t=90285
Soft, silver-grey, metallic element of the lanthanide series, atomic number 65, relative atomic mass 158.925. It occurs in gadolinite and other ores, with yttrium and ytterbium, and is used in lasers, semiconductors, and television tubes. It was named in 1843 by Swedish chemist Carl Mosander (1797–1858) after the town of Ytterby, Sweden, w...
Found on http://www.talktalk.co.uk/reference/encyclopaedia/hutchinson/m0010181.html
Terbium is a chemical element with the symbol Tb and atomic number 65. It is a silvery-white rare earth metal that is malleable, ductile and very hard. Terbium is never found in nature as a free element, but it is contained in many minerals, including cerite, gadolinite, monazite, xenotime and euxenite. Terbium is used to dope calcium fluoride, ca...
Found on http://en.wikipedia.org/wiki/Terbium
Terbium is used as a crystal stabilizer of fuel cells which operate at elevated temperatures, together with ZrO2.
Found on http://en.wikipedia.org/wiki/Glossary_of_fuel_cell_terms
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