What is the definition of Columbium? | Dictionary.net

COLUMBIUM

\kəlˈʌmbi͡əm], \kəlˈʌmbi‍əm], \k_ə_l_ˈʌ_m_b_iə_m]\

Definitions of COLUMBIUM

2010 - New Age Dictionary Database

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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.

2010 - New Age Dictionary Database
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