The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
spinor (plural spinors)
(algebra) An element of the fundamental representation of a Clifford algebra that transforms to its negative when the space is rotated through a complete turn from 0° to 360°
• porins, prions, prison, proins, ripons
Source: Wiktionary
22 January 2025
(noun) memorial consisting of a very large stone forming part of a prehistoric structure (especially in western Europe)
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.