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. 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
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

/ kŏn′sən-trā′shən /

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

Other Words From

• hyper·concen·tration noun
• noncon·cen·tration noun
• over·concen·tration noun
• precon·cen·tration noun

Word History and Origins

Origin of concentration¹

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

Example Sentences

The film, which includes a wrenching visit to the Majdanek concentration camp, is deftly peppered with insightful strands of Jewish history and culture.

From Los Angeles Times

Because a single small mistake by anyone can ruin a minutes-long take, this philosophy demanded a high degree of concentration from Eggers’ cast and crew.

From Los Angeles Times

Furthermore, experiments with the mathematical model and mouse brain samples showed that increasing the concentration of sugars in the solution around the axon or decreasing tension in the axonal membranes reduced the pearl structures' size.

From Science Daily

"It is concerning that we're finding these pesticides in the rivers," Dr Gill said, adding it was important to monitor the concentration of the chemicals in the waterways.

From BBC

Between mid October and mid November this year, there was the highest concentration of so-called red days in any month since the big uptick in small boat crossings in 2021.

From BBC

Related Words

• absorption
• combination
• consolidation