Definitions for concentration
ˌkɒn sənˈtreɪ ʃəncon·cen·tra·tion

Princeton's WordNet(4.20 / 5 votes)Rate this definition:

1. concentrationnoun

   the strength of a solution; number of molecules of a substance in a given volume

2. concentration, density, denseness, tightness, compactnessnoun

   the spatial property of being crowded together

3. concentrationnoun

   strengthening the concentration (as of a solute in a mixture) by removing diluting material

4. concentrationnoun

   increase in density

5. concentration, engrossment, absorption, immersionnoun

   complete attention; intense mental effort

6. concentrationnoun

   bringing together military forces

7. assiduity, assiduousness, concentrationnoun

   great and constant diligence and attention

Wiktionary(4.00 / 1 vote)Rate this definition:

1. concentrationnoun

   The proportion of a substance in a mixture.

2. concentrationnoun

   The act, process or ability of concentrating; the process of becoming concentrated, or the state of being concentrated.

3. concentrationnoun

   A field or course of study on which one focuses, especially as a student in a college or university.

Webster Dictionary(0.00 / 0 votes)Rate this definition:

1. Concentrationnoun

   the act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration

   Etymology: [Cf. F. concentration.]

2. Concentrationnoun

   the act or process of reducing the volume of a liquid, as by evaporation

   Etymology: [Cf. F. concentration.]

3. Concentrationnoun

   the act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water

   Etymology: [Cf. F. concentration.]

Freebase(3.67 / 3 votes)Rate this definition:

1. Concentration

   In chemistry, concentration is the abundance of a constituent divided by the total volume of a mixture. Several types of mathematical description can be distinguished: mass concentration, molar concentration, number concentration, and volume concentration. The term concentration can be applied to any kind of chemical mixture, but most frequently it refers to solutes and solvents in solutions. The molar concentration has variants such as normal concentration and osmotic concentration.

Matched Categories

1. • Assembly
   • Attention
   • Diligence
   • Increase
   • Property
   • Strengthening

British National Corpus

1. Spoken Corpus Frequency

   Rank popularity for the word 'concentration' in Spoken Corpus Frequency: #2574

2. Written Corpus Frequency

   Rank popularity for the word 'concentration' in Written Corpus Frequency: #4559

3. Nouns Frequency

   Rank popularity for the word 'concentration' in Nouns Frequency: #771

How to pronounce concentration?

1. Alex

   US English

   David

   US English

   Mark

   US English

   Daniel

   British

   Libby

   British

   Mia

   British

   Karen

   Australian

   Hayley

   Australian

   Natasha

   Australian

   Veena

   Indian

   Priya

   Indian

   Neerja

   Indian

   Zira

   US English

   Oliver

   British

   Wendy

   British

   Fred

   US English

   Tessa

   South African

How to say concentration in sign language?

Numerology

1. Chaldean Numerology

   The numerical value of concentration in Chaldean Numerology is: 7

2. Pythagorean Numerology

   The numerical value of concentration in Pythagorean Numerology is: 7

Examples of concentration in a Sentence

1. Ashok Ghosh:

   The cause of the upsurge in arsenic concentration is the overuse of groundwater for irrigation and drinking, which happens when withdrawal rates exceed recharge rate, there is no law here to check excessive groundwater withdrawal.

2. Paola Pedrelli:

   Students who work full-time may not have time to sleep, eat well, exercise and engage in pleasant activities, neglect of these areas may lead to low energy, irritability, and poor concentration and academic performance and overall dissatisfaction.

3. Greta Goldsmith:

   ‘With this letter, dear Mr Frank, I would like to ask you if it is not a good idea to occasionally focus our attention on brave Peter. How a boy of fifteen held out in the concentration camp, as you yourself told me, how he did his best for other people, and so on. Of course the marvellous, intelligent Anne deserves all the attention, but the boy had such a close bond with her, and he certainly meant a great deal to her – why not some praise for him now and then? This is no more than an idea, but I think all too often of all the heroes who were not lucky enough From the archives of the Anne Frank Houseto have kept diaries.’

4. Mwanandeke Kindembo:

   Whenever the heart is in love, the mind become confused about what to do. Even concentration become a heavy burden.

5. Todd Nettleton:

   Atbest, they would be taken to a concentration camp, at worst, they would face immediate execution. And because Christianity is so dangerous to the regime, the Christians parents and children also would be put in camps, taking three generations to make sure Christianity doesnt spread.

Images & Illustrations of concentration

Popularity rank by frequency of use