In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
STERADIAN
steradian, sr
(noun) the unit of solid angle adopted under the Systeme International d’Unites
Source: WordNet® 3.1
Etymology
ste(reo) + radian
Noun
steradian (plural steradians)
(geometry) In the International System of Units, the derived unit of solid angle; the solid angle subtended at the centre of a sphere of radius r by a portion of the surface of the sphere that has area r2. Symbol: sr
Synonyms
• (symbol) sr
Anagrams
• raindates
Source: Wiktionary
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