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columbic

[ kuh-luhm-bik ]

adjective

, Chemistry.

columbic

/ kəˈlʌmbɪk /

adjective

  1. See niobic
    another word for niobic

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Word History and Origins

Origin of columbic1

First recorded in 1800–10; columb(ium) + -ic

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Example Sentences

When heated in the air it is oxidized into columbic acid, and is only soluble in hydrofluoric acid, yielding hydrogen.

Columbium pentoxide (columbic acid), Cb2O5, is obtained from columbite, after the removal of tantalum (see above).

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Columbia Rivercolumbine

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