In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
slag, scoria, dross
(noun) the scum formed by oxidation at the surface of molten metals
Source: WordNet® 3.1
scoria (countable and uncountable, plural scorias or scoriae)
The slag or dross that remains after the smelting of metal from an ore. [from 14th c.]
(geology) Rough masses of rock formed by solidified lava, and which can be found around a volcano's crater. [from 18th c.]
• Corias, cariso
Source: Wiktionary
Sco"ri*a, n.; pl. Scorlæ. Etym: [L., fr. Gr.
1. The recrement of metals in fusion, or the slag rejected after the eduction of metallic ores; dross.
2. Cellular slaggy lava; volcanic cinders.
Source: Webster’s Unabridged Dictionary 1913 Edition
17 April 2025
(noun) a porous mass of interlacing fibers that forms the internal skeleton of various marine animals and usable to absorb water or any porous rubber or cellulose product similarly used
In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.