columbic

[ kuh-luhm-bik ]

adjective

, Chemistry.

1. niobic.

columbic

/ kəˈlʌmbɪk /

adjective

1. another word for niobic

Word History and Origins

Origin of columbic¹

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

Example Sentences

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

From Project Gutenberg

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

From Project Gutenberg