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
23 November 2024
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
The earliest credible evidence of coffee-drinking as the modern beverage appeared in modern-day Yemen. In the middle of the 15th century in Sufi shrines where coffee seeds were first roasted and brewed for drinking. The Yemenis procured the coffee beans from the Ethiopian Highlands.
