alkene, olefine, olefin
(noun) any unsaturated aliphatic hydrocarbon
Source: WordNet® 3.1
olefine (countable and uncountable, plural olefines)
(chemistry) olefiant gas, or ethylene
(chemistry, by extension) any of the series of unsaturated hydrocarbons of which ethylene is a type
Source: Wiktionary
O"le*fine, n. Etym: [From Olefiant.] (Chem.)
Definition: Olefiant gas, or ethylene; hence, by extension, any one of the series of unsaturated hydrocarbons of which ethylene is a type. See Ethylene.
Source: Webster’s Unabridged Dictionary 1913 Edition
29 March 2025
(adjective) without care or thought for others; “the thoughtless saying of a great princess on being informed that the people had no bread; ‘Let them eat cake’”
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.
