In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.
steradian, sr
(noun) the unit of solid angle adopted under the Systeme International d’Unites
Source: WordNet® 3.1
ste(reo) + radian
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
• (symbol) sr
• raindates
Source: Wiktionary
22 December 2024
(noun) (plural) spectacles that are darkened or polarized to protect the eyes from the glare of the sun; “he was wearing a pair of mirrored shades”
In 1884, Angelo Moriondo of Turin, Italy, demonstrated the first working example of an espresso machine.