In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
EMISSIVITY
Etymology
Noun
emissivity (plural emissivities)
(physics) The energy-emitting propensity of a surface, usually measured at a specific wavelength.
Source: Wiktionary
Em`is*siv"i*ty, n.
Definition: Tendency to emission; comparative facility of emission, or rate at which emission takes place, as of heat from the surface of a heated body.
Source: Webster’s Unabridged Dictionary 1913 Edition
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21 April 2025
ENCYCLOPEDIA
(noun) a reference work (often in several volumes) containing articles on various topics (often arranged in alphabetical order) dealing with the entire range of human knowledge or with some particular specialty
Coffee Trivia