In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
XYLYL
Etymology
Noun
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).
Synonyms
• 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
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