In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
DIDYMIUM
Etymology
Noun
didymium (uncountable)
A mixture of praseodymium and neodymium once thought to be an element (symbol Di).
Source: Wiktionary
Di*dym"i*um, n. Etym: [NL., fr. Gr. (Chem.)
Definition: A rare metallic substance usually associated with the metal cerium; -- hence its name. It was formerly supposed to be an element, but has since been found to consist of two simpler elementary substances, neodymium and praseodymium. See Neodymium, and Praseodymium.
Source: Webster’s Unabridged Dictionary 1913 Edition
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25 December 2024
UNAMBIGUOUS
(adjective) having or exhibiting a single clearly defined meaning; “As a horror, apartheid...is absolutely unambiguous”- Mario Vargas Llosa
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