The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
flavone
(noun) a colorless crystalline compound that is part of a number of white or yellow plant pigments
Source: WordNet® 3.1
flavone (countable and uncountable, plural flavones)
(organic chemistry) any of a class of tricyclic aromatic heterocyclic ketones, especially the naturally occurring flavonoids
Source: Wiktionary
12 June 2025
(noun) a decrease in the density of something; “a sound wave causes periodic rarefactions in its medium”
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.