In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
THIOUREA
Etymology
Noun
thiourea (plural thioureas)
(organic compound) Any of a class of compounds based on NH2-CS-NH2, formally derived from urea by replacing the oxygen atom with sulfur, used in photography as a fixing agent, in inorganic synthesis, and in medicine as an antithyroid drug.
Synonyms
• thiocarbamide
Source: Wiktionary
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23 November 2024
THEORETICAL
(adjective) concerned primarily with theories or hypotheses rather than practical considerations; “theoretical science”
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