xylyl (plural xylyls)
(organic compound) Any of several univalent radicals, of formula (CH3)2C6H3- derived from the three isomers of xylene: ortho-, meta- and para- (di-methyl benzene).
• xylenyl (dated)
Source: Wiktionary
Xy"lyl, n. Etym: [Xylo- + -yl.] (Chem.)
Definition: Any one of three metameric radicals which are characteristic respectively of the three xylenes.
Source: Webster’s Unabridged Dictionary 1913 Edition
5 December 2024
(noun) one of two divergent or mutually exclusive opinions; “they are at opposite poles”; “they are poles apart”
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.
