columbium
(noun) a former name for niobium
Source: WordNet® 3.1
columbium (usually uncountable, plural columbiums)
(obsolete) A former name of niobium.
Source: Wiktionary
Co*lum"bi*um, n. Etym: [NL., fr. Columbia America.] (Chem.)
Definition: A rare element of the vanadium group, first found in a variety of the mineral columbite occurring in Connecticut, probably at Haddam. Atomic weight 94.2. Symbol Cb or Nb. Now more commonly called niobium.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 April 2025
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
The first coffee-house in Mecca dates back to the 1510s. The beverage was in Turkey by the 1530s. It appeared in Europe circa 1515-1519 and was introduced to England by 1650. By 1675 the country had more than 3,000 coffee houses, and coffee had replaced beer as a breakfast drink.
