The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
polyene (plural polyenes)
(chemistry) An organic compound containing several double bonds, especially one containing a sequence of many alternating single and double bonds
Source: Wiktionary
13 March 2025
(adjective) conforming exactly or almost exactly to fact or to a standard or performing with total accuracy; “an accurate reproduction”; “the accounting was accurate”; “accurate measurements”; “an accurate scale”
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.