In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
DOPANT
Noun
dopant (plural dopants)
(materials science) A substance added in small amounts to a pure material, such as semiconductor, to alter its original electrical or optical properties; a doping agent
Source: Wiktionary
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3 April 2025
WHOLE
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
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