The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
xylene, xylol
(noun) a colorless flammable volatile liquid hydrocarbon used as a solvent
Source: WordNet® 3.1
xylene (plural xylenes)
(chemistry) Any of a group of three isomeric aromatic hydrocarbons, found in coal and wood tar.
Synonym: dimethylbenzene
Source: Wiktionary
Xy"lene, n. Etym: [Gr. xy`lon wood.] (Chem.)
Definition: Any of a group of three metameric hydrocarbons of the aromatic series, found in coal and wood tar, and so named because found in crude wood spirit. They are colorless, oily, inflammable liquids, C6H4.(CH3)2, being dimethyl benzenes, and are called respectively orthoxylene, metaxylene, and paraxylene. Called also xylol.
Note: Each of these xylenes is the nucleus and prototype of a distinct series of compounds.
Source: Webster’s Unabridged Dictionary 1913 Edition
3 April 2025
(noun) an assemblage of parts that is regarded as a single entity; “how big is that part compared to the whole?”; “the team is a unit”
The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.