In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
dioptase (countable and uncountable, plural dioptases)
An intense emerald-green to bluish-green copper cyclosilicate mineral.
Source: Wiktionary
Di*op"tase, n. Etym: [Gr. dioptase.] (Min.)
Definition: A hydrous silicate of copper, occurring in emerald-green crystals.
Source: Webster’s Unabridged Dictionary 1913 Edition
14 June 2025
(noun) a member of a learned society; “he was elected a fellow of the American Physiological Association”
In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.