columbium

[kuh-luhm-bee-uhm]

Phonetic (Standard)IPA

noun

Chemistry.

(formerly) niobium. Cb

columbium

/ ��əˈ��ʌ��ɪə�� /

noun

the former name of niobium

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Word History and Origins

Origin of columbium¹

1801; Columb(ia) (a literary name for the United States of America) + -ium

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Word History and Origins

Origin of columbium¹

C19: from New Latin, from Columbia, the United States of America

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Example Sentences

Examples have not been reviewed.

Tantalum, tan′tal-um, n. a very rare metal of no practical importance, discovered in 1801, closely allied to columbium or niobium.

From

Chemically related to vanadium are the two elements tantalum and columbium or niobium.

From

These are platinum, gold, tungsten, mercury, lead, palladium, silver, bismuth, uranium, vanadium, copper, cadmium, cobalt, arsenic, nickel, iron, molybdenum, tin, zinc, antimony, tellurium, manganese, tatiaum, chromium, columbium, rhodium, iridium, osmium, cerium.

From

Thus C stands for carbon, Cl for chlorine, Cd for cadmium, Ce for cerium, Cb for columbium.

From

columbite columbous

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