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Hasil cari dari kata atau frase: Columbium (0.01057 detik)
Found 2 items, similar to Columbium.
English → English (WordNet)
Definition: columbium
columbium
n : a former name for niobium
English → English (gcide)
Definition: Columbium
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]
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