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

/ ˌkɒnsənˈtreɪʃən /

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

concentration

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

Other Word Forms

• hyperconcentration noun
• nonconcentration noun
• overconcentration noun
• preconcentration noun

Word History and Origins

Origin of concentration¹

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

Example Sentences

The concentration in commonly used wells fell by about 70 percent as many families sought cleaner water sources.

Read more on Science Daily

Due to market concentration, with a small number of technology companies driving broader performance, concerns over stretched artificial-intelligence valuations have weighed on the major indexes.

Read more on Barron's

Cellular’s operations got clearance in July, even though Slater complained publicly about the rising concentration of mobile carriers.

Read more on The Wall Street Journal

The reforms will tackle perceived problems including excessive concentration of universities in Tbilisi, duplication of programmes and inadequate state funding.

Read more on BBC

And the setup for next year doesn’t look much different to 2025, in their opinion, with new extremes in crowding and record concentration in stocks that have dominated this year.

Read more on MarketWatch

Related Words

• absorption 
• combination 
• consolidation