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columbium

XDict

n. 钶[金属元素]

PyDict

钶[金属元素]

WordNet (r) 3.0 (2006) (WordNet)

columbium
n 1: a former name for niobium

The Collaborative International Dictionary of English v.0.48 (gcide)

Columbium \Co*lum"bi*um\, n. [NL., fr. Columbia America.]
(Chem.)
A rare element of the vanadium group, first found in a
variety of the mineral columbite occurring in Connecticut,
probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now
more commonly called {niobium}.
[1913 Webster]

niobium \ni*o"bi*um\, n. [NL., fr. L. & E. {Niobe}.] (Chem.)
The chemical element of atomic number 41. Chemical symbol Nb.
Atomic weight 92.91. Previously called {columbium}. See also
{Columbium}.
[1913 Webster]

The Elements Database (element)

columbium
The original name for {niobium}.

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单词	字典	翻译
Columbium	查看　Columbium　在百度字典中的解释	百度英翻中〔查看〕
Columbium	查看　Columbium　在Google字典中的解释	Google英翻中〔查看〕
Columbium	查看　Columbium　在Yahoo字典中的解释	Yahoo英翻中〔查看〕

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