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

Goods are too expensive, mostly because of corporate monopolies and concentration.

From Salon

Both were about to commence preparation for “The Day of the Jackal” and it felt fitting to connect in a space that requires such intense concentration.

From Los Angeles Times

But they are also now getting around to abandoning the conviction, crucial to Biden’s victory in that year, that it is equally dangerous to use economically populist rhetoric about fighting against billionaires and the concentration of wealth.

From Slate

Asked in the same October interview how deportations would be carried out, Homan said: "It's not gonna be a mass sweep of neighbourhoods. It's not gonna be building concentration camps. I've read it all. It's ridiculous."

From BBC

“It’s not going to be a mass sweep of neighborhoods. It’s not going to be building concentration camps,” Tom Homan, a former acting director of ICE under Trump, said last month on CBS’ “60 Minutes.”

From Los Angeles Times

Related Words

• absorption
• combination
• consolidation