The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
radiotelephonic, radiophonic
(adjective) relating to or by means of radiotelephony
Source: WordNet® 3.1
radiotelephonic (not comparable)
Relating to radiotelephones.
Source: Wiktionary
27 June 2025
(adjective) having four equal sides and four right angles or forming a right angle; “a square peg in a round hole”; “a square corner”
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.