etalon (plural etalons)
An optical device containing parallel mirrors, used as a narrow band filter, often in laser design.
• Fabry-Pérot interferometer
• late on, lean-to, tolane
Source: Wiktionary
15 March 2025
(noun) the replacement of an edge or solid angle (as in cutting a gemstone) by a plane (especially by a plane that is equally inclined to the adjacent faces)
According to Guinness World Records, the largest iced coffee is 14,228.1 liters and was created by Caffé Bene (South Korea), in Yangju, South Korea, on 17 July 2014. They poured iced black Americano on the giant cup that measured 3.3 meters tall and 2.62 meters wide.
