Cambridge Dictionaries online Cambridge Dictionaries online

The most popular online dictionary and thesaurus for learners of English

English definition of “concentration”

See all translations

concentration

noun  /ˌkɑn·sənˈtreɪ·ʃən/ us  

concentration noun (COMING TOGETHER)

a large amount of something in the same place: [C] There’s a heavy concentration of poor and elderly in the district.

concentration noun (GIVING ATTENTION)

[U] a lot of attention and thought directed to an activity or subject: He had a look of intense concentration on his face.

concentration noun (SUBSTANCE)

the amount of a substance that is mixed with water or another substance
(Definition of concentration from the Cambridge Academic Content Dictionary © Cambridge University Press)
What is the pronunciation of concentration?
Add Cambridge dictionaries to your browser to your website

More American English definitions for “concentration”

Definitions of “concentration” in other dictionaries

Word of the Day

baby

a very young child, especially one that has not yet begun to walk or talk

Word of the Day

The way we move (Verbs for walking and running)

by Kate Woodford,
March 25, 2015
​​​ This week we’re looking at interesting ways to describe the way that people move. Most of the verbs that we’ll be considering describe how fast or slow people move. Others describe the attitude or state of mind of the person walking or running. Some describe both. Starting with verbs for walking slowly,

Read More 

stackin’ p

March 30, 2015
idiom slang earning a lot of money ‘That’s a very generous present.”Yeah, well, she’s stackin’ p, innit?’

Read More