COLUMBITES

Noun

columbites

plural of columbite

Source: Wiktionary


COLUMBITE

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



RESET




Word of the Day

3 June 2025

OWNER

(noun) (law) someone who owns (is legal possessor of) a business; “he is the owner of a chain of restaurants”


coffee icon

Coffee Trivia

The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.

coffee icon