COLUMBITE
niobite, columbite
(noun) a black mineral that is an ore of niobium and tantalum
Source: WordNet® 3.1
Etymology
Noun
columbite (plural columbites)
(mineral) A black mineral that is a mixed iron and manganese niobate and tantalate, and is the main ore of niobium and tantalum.
Source: Wiktionary
Co*lum"bite, n. Etym: [Cf. F. colombite. See Columbium.] (Min.)
Definition: A mineral of a black color, submetallic luster, and high specific specific gravity. It is a niobate (or columbate) of iron and manganese, containing tantalate of iron; -- first found in New England.
Source: Webster’s Unabridged Dictionary 1913 Edition
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19 April 2025
CATCH
(verb) grasp with the mind or develop an understanding of; “did you catch that allusion?”; “We caught something of his theory in the lecture”; “don’t catch your meaning”; “did you get it?”; “She didn’t get the joke”; “I just don’t get him”
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