NIOBIUM

niobium, Nb, atomic number

(noun) a soft grey ductile metallic element used in alloys; occurs in niobite; formerly called columbium

Source: WordNet® 3.1


Etymology

Noun

niobium (countable and uncountable, plural niobiums)

A chemical element (symbol Nb) with an atomic number of 41: a light grey, crystalline, ductile transition metal used in superconducting materials.

(countable) A single atom of this element.

Synonyms

• columbium (in metallurgy; not in scientific use)

• dianium (obsolete)

Source: Wiktionary


Ni*o"bi*um, n. Etym: [NL., fr. L. & E. Niobe.] (Chem.)

Definition: A later name of columbium. See Columbium.

Source: Webster’s Unabridged Dictionary 1913 Edition



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Word of the Day

3 February 2025

CRAZY

(adjective) possessed by inordinate excitement; “the crowd went crazy”; “was crazy to try his new bicycle”


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Coffee Trivia

An article published in Harvard Men’s Health Watch in 2012 shows heavy coffee drinkers live longer. The researchers examined data from 400,000 people and found out that men who drank six or more coffee cups per day had a 10% lower death rate.

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