In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
PYRIDINE
pyridine
(noun) a toxic colorless flammable liquid organic base with a disagreeable odor; usually derived from coal
Source: WordNet® 3.1
Etymology
Noun
pyridine (plural pyridines)
(organic compound) Any of a class of aromatic heterocyclic compounds containing a ring of five carbon atoms and an nitrogen atom; especially the simplest one, C5H5N.
Source: Wiktionary
Pyr"i*dine, n. Etym: [From Gr. (Physiol. Chem.)
Definition: A nitrogenous base, C5H5N, obtained from the distillation of bone oil or coal tar, and by the decomposition of certain alkaloids, as a colorless liquid with a peculiar pungent odor. It is the nucleus of a large number of organic substances, among which several vegetable alkaloids, as nicotine and certain of the ptomaïnes, may be mentioned. See Lutidine.
Source: Webster’s Unabridged Dictionary 1913 Edition
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1 May 2025
ECONOMIC
(adjective) of or relating to an economy, the system of production and management of material wealth; “economic growth”; “aspects of social, political, and economical life”
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