A later name of columbium. See Columbium.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
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.
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A later name of columbium. See Columbium.
Open English WordNet identifies the related term as a broader lexical category for at least one sense.
These terms belong to the same specialist field or topic. They help you explore the subject, but they are not automatically synonyms.
Their definitions overlap or refer to similar ideas. Use these to widen your search, then compare the exact meanings.
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