concentration

noun

con·​cen·​tra·​tion ˌkän(t)-sən-ˈtrā-shən How to pronounce concentration (audio)
-ˌsen-
1
a
: the act or process of concentrating : the state of being concentrated
especially : direction of attention to a single object
All that noise is disturbing my concentration.
b
: an academic major or area of focus within a major
The student chose law as his concentration.
2
: a concentrated mass or thing
a concentration of wealth in the merchant class
3
: the amount of a component in a given area or volume
The ozone concentration in the lower stratosphere has declined.

Example Sentences

All that noise is disturbing my concentration. The job required her full concentration. When you're tired it's easy to lose your concentration. There was a concentration on ethics within the agency. There is a concentration of wealth in the cities. He objects to the concentration of power in the hands of a few rich men. See More
Recent Examples on the Web Clary was 16 in September 1942 when he was deported from Paris to Nazi concentration camps with 12 other members of his Jewish family. Reuters, CNN, 18 Nov. 2022 After 31 months in captivity in several concentration camps, he was liberated from the Buchenwald death camp by American troops. Lynn Elber, USA TODAY, 18 Nov. 2022 After 31 months in captivity in several concentration camps, he was liberated from the Buchenwald death camp by American troops. CBS News, 17 Nov. 2022 Some 30,000 Jewish men were rounded up and sent to concentration camps. Sarah Kuta, Smithsonian Magazine, 15 Nov. 2022 When the Holocaust begins and innocent people are systematically murdered, Oskar secretly helps his employees survive and escape the concentration camps. Stacey Grant, Seventeen, 11 Nov. 2022 The three people hiding — a town photographer and two children from another family — were taken to concentration camps, where they ultimately were killed. Pam Mcloughlin, Hartford Courant, 10 Nov. 2022 Some 30,000 Jews were rounded up on that night and sent to concentration camps. Leo Sands, Washington Post, 10 Nov. 2022 Perhaps a future event at Geffen could celebrate the Uyghur people, who are being forced into concentration camps in Xinjiang. Alex Ross, The New Yorker, 24 Oct. 2022 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'concentration.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

Etymology

see concentrate entry 1

First Known Use

1606, in the meaning defined at sense 2

Time Traveler
The first known use of concentration was in 1606

Dictionary Entries Near concentration

Cite this Entry

“Concentration.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/concentration. Accessed 29 Nov. 2022.

Kids Definition

concentration

noun

con·​cen·​tra·​tion ˌkän(t)-sən-ˈtrā-shən How to pronounce concentration (audio)
-sen-
1
: the act or process of concentrating : the state of being concentrated
especially : direction of attention on a single object
don't disturb my concentration
2
: a concentrated mass
3
: the amount of an ingredient or part in relation to that of others : strength
the concentration of salt in a solution

Medical Definition

concentration

noun

con·​cen·​tra·​tion ˌkän(t)-sən-ˈtrā-shən, -ˌsen- How to pronounce concentration (audio)
1
: the act or action of concentrating: as
a
: a directing of the attention or of the mental faculties toward a single object
b
: an increasing of strength (as of a solute or a gas in a mixture) or a purifying by partial or total removal of diluents, solvents, admixed gases, extraneous material, or waste (as by evaporation or diffusion)
2
: a crude active principle of a vegetable especially for pharmaceutical use in the form of a powder or resin
3
: the relative content of a component (as dissolved or dispersed material) of a solution, mixture, or dispersion that may be expressed in percentage by weight or by volume, in parts per million, or in grams per liter
Last Updated: - Updated example sentences
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