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concentration
[ kon-suhn-trey-shuhn ]
noun
- the act of concentrating; the state of being concentrated.
- exclusive attention to one object; close mental application.
- something concentrated:
a concentration of stars.
- Military.
- the assembling of military or naval forces in a particular area in preparation for further operations.
- a specified intensity and duration of artillery fire placed on a small area.
- the focusing of a student's academic program on advanced study in a specific subject or field.
- Chemistry. (in a solution) a measure of the amount of dissolved substance contained per unit of volume.
- Also called memory. Cards. a game in which all 52 cards are spread out face down on the table and each player in turn exposes two cards at a time and replaces them face down if they do not constitute a pair, the object being to take the most pairs by remembering the location of the cards previously exposed.
concentration
/ ˌɒԲəˈٰɪʃə /
noun
- intense mental application; complete attention
- the act or process of concentrating
- something that is concentrated
- the strength of a solution, esp the amount of dissolved substance in a given volume of solvent, usually expressed in moles per cubic metre or cubic decimetre (litre) c
- the process of increasing the concentration of a solution
- military
- the act of bringing together military forces
- the application of fire from a number of weapons against a target
- economics the degree to which the output or employment in an industry is accounted for by only a few firms
- another name (esp US) for Pelmanism
concentration
- The amount of a particular substance in a given amount of another substance, especially a solution or mixture.
Other Word Forms
- p·Dzc·ٰtDz noun
- ԴDzcDz··ٰtDz noun
- v·Dzc·ٰtDz noun
- cDz··ٰtDz noun
Word History and Origins
Origin of concentration1
Example Sentences
Dirt collected by a resident at the site showed selenium, a trace element that can be harmful in heavy concentrations, according to the results, which were reviewed by The Times.
But it took liberation for the revelation of the shocking reality of the Nazi's concentration camps.
Mark Hawtin, head of the Global Equities team at Liontrust, recently cited market concentration, record margins and valuation as key risks for the passive investing strategy.
Along with others in the mining industry, he disputes the environmental claims made and has argued that the abyssal zone - 3,000m to 6,000m below sea level - has very low concentrations of life.
He added: "There is no single concentration where you can definitively say death will occur."
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