Meaning of TERBIUM
| Pronunciation: | | 'turbeeum
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 WordNet Dictionary |
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| | Definition: | | [n] a metallic element of the rare earth group; used in lasers; occurs in apatite and monazite and xenotime and ytterbite |
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| | Synonyms: | | atomic number 65, Tb |
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| | See Also: | | apatite, gadolinite, metal, metallic element, monazite, ytterbite | |
| Webster's 1913 Dictionary |
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| | Definition: | | \Ter"bi*um\, n. [NL., fr. Ytterby, in Sweden. See
{Erbium}.] (Chem.)
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.
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