The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
uncontaminated, unpolluted
(adjective) free from admixture with noxious elements; clean; “unpolluted streams”; “a contaminated lake”
Source: WordNet® 3.1
unpolluted (comparative more unpolluted, superlative most unpolluted)
Not polluted; uncontaminated
unpolluted
simple past tense and past participle of unpollute
Source: Wiktionary
17 May 2025
(noun) sessile marine coelenterates including solitary and colonial polyps; the medusoid phase is entirely suppressed
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.