The expression “coffee break” was first attested in 1952 in glossy magazine advertisements by the Pan-American Coffee Bureau.
CONCENTRATION
concentration
(noun) strengthening the concentration (as of a solute in a mixture) by removing diluting material
concentration
(noun) bringing together military forces
assiduity, assiduousness, concentration
(noun) great and constant diligence and attention
concentration
(noun) the strength of a solution; number of molecules of a substance in a given volume
concentration, density, denseness, tightness, compactness
(noun) the spatial property of being crowded together
concentration, engrossment, absorption, immersion
(noun) complete attention; intense mental effort
concentration
(noun) increase in density
Source: WordNet® 3.1
Etymology
Noun
concentration (usually uncountable, plural concentrations)
The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.
The direction of attention to a specific object.
A field or course of study on which one focuses, especially as a student in a college or university.
The proportion of a substance in a whole.
(chemistry) The amount of solute in a solution measured in suitable units (e.g, parts per million (ppm))
The matching game pelmanism.
Coordinate terms
• (course of study): major, minor
Source: Wiktionary
Con`cen*tra"tion, n. Etym: [Cf. F. concentration.]
1. The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration. Concentration of the lunar beams. Boyle. Intense concetration of thought. Sir J. Herschel.
2. The act or process of reducing the volume of a liquid, as by evaporation. The acid acquires a higher degree of concentration. Knight.
3. (Metal.)
Definition: The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.
Source: Webster’s Unabridged Dictionary 1913 Edition
Recent Word Finds
Word of the Day
27 February 2025
SUMMIT
(verb) reach the summit (of a mountain); “They breasted the mountain”; “Many mountaineers go up Mt. Everest but not all summit”
Coffee Trivia
