51Թ

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concentration

[kon-suhn-trey-shuhn]

noun

  1. the act of concentrating; the state of being concentrated.

  2. exclusive attention to one object; close mental application.

  3. something concentrated.

    a concentration of stars.

  4. Military.

    1. the assembling of military or naval forces in a particular area in preparation for further operations.

    2. a specified intensity and duration of artillery fire placed on a small area.

  5. the focusing of a student's academic program on advanced study in a specific subject or field.

  6. Chemistry.(in a solution) a measure of the amount of dissolved substance contained per unit of volume.

  7. 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

  1. intense mental application; complete attention

  2. the act or process of concentrating

  3. something that is concentrated

  4. c.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)

  5. the process of increasing the concentration of a solution

  6. military

    1. the act of bringing together military forces

    2. the application of fire from a number of weapons against a target

  7. economics the degree to which the output or employment in an industry is accounted for by only a few firms

  8. another name (esp US) for Pelmanism

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

concentration

  1. The amount of a particular substance in a given amount of another substance, especially a solution or mixture.

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Other 51Թ Forms

  • hyperconcentration noun
  • nonconcentration noun
  • overconcentration noun
  • preconcentration noun
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51Թ History and Origins

Origin of concentration1

First recorded in 1625–35; concentr(ic) + -ation
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Example Sentences

Examples have not been reviewed.

At the Court of Appeal on Tuesday, her barrister said the sentence should be reduced, adding the case concerned a "lapse of concentration".

From

While viral concentrations remain relatively low, Los Angeles County has observed an increase in coronavirus levels in sewage, the local Department of Public Health told The Times.

From

As with other "forever chemicals", also known as PFAS, just how much a threat to human health and at what concentrations is still being researched.

From

Changing temperatures and rainfall could make the pollen season longer and increase the concentration of pollen in the air.

From

New York City, with its high concentration of Wall Street finance bros, is a perfect setting to caricature people who score their dates on a spreadsheet.

From

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