hydrocracking
(noun) the process whereby hydrocarbon molecules of petroleum are broken down into kerosene and gasolene by the addition of hydrogen under high pressure in the presence of a catalyst
Source: WordNet® 3.1
hydrocracking (usually uncountable, plural hydrocrackings)
(organic chemistry) the production of high-octane petroleum fuel and kerosene by hydrogenating large or complex hydrocarbons and then cracking them.
hydrocracking
present participle of hydrocrack
Source: Wiktionary
21 April 2025
(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
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.
