concentration

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con·cen·tra·tion

(kŏn′sən-trā′shən)

a. The act or process of concentrating, especially the fixing of close, undivided attention.

b. The condition of being concentrated.

2. Something that has been concentrated.

3. Chemistry The amount of a specified substance in a unit amount of another substance.

concentration

(ˌkɒnsənˈtreɪʃən)

1. intense mental application; complete attention

2. the act or process of concentrating

3. something that is concentrated

4. (Chemistry) 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). Symbol: c

5. (Chemistry) the process of increasing the concentration of a solution

6. (Military) military

a. the act of bringing together military forces

b. the application of fire from a number of weapons against a target

7. (Economics) economics the degree to which the output or employment in an industry is accounted for by only a few firms

8. (Card Games) another name (esp US) for Pelmanism

con•cen•tra•tion

(ˌkɒn sənˈtreɪ ʃən)

n.

1. the act of concentrating or the state of being concentrated.

2. exclusive attention to one object; close mental application.

3. something concentrated: a concentration of stars.

4. (in a chemical solution) a measure of the amount of dissolved substance contained per unit of volume.

[1625–35]

con·cen·tra·tion

(kŏn′sən-trā′shən)

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

Concentration

a concentrated collection or mass; a distillate.

Examples: concentration of broken beams, 1634; of lunar beams, 1691; of related species, 1881; of hostile tribes, 1841; of forces, 1804.

concentration

A measure of the quantity of solute dissolved in a solution at a given temperature.

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Noun	1.	concentration - the strength of a solution; number of molecules of a substance in a given volume property - a basic or essential attribute shared by all members of a class; "a study of the physical properties of atomic particles" titer, titre - the concentration of a solution as determined by titration hydrogen ion concentration - the number of moles of hydrogen ions per cubic decimeter molal concentration, molality - concentration measured by the number of moles of solute per kilogram of solvent molar concentration, molarity, M - concentration measured by the number of moles of solute per liter of solution
	2.	concentration - the spatial property of being crowded together compactness, denseness, density, tightness spatial arrangement, spacing - the property possessed by an array of things that have space between them dispersion, distribution - the spatial or geographic property of being scattered about over a range, area, or volume; "worldwide in distribution"; "the distribution of nerve fibers"; "in complementary distribution"
	3.	concentration - strengthening the concentration (as of a solute in a mixture) by removing diluting material strengthening - the act of increasing the strength of something pervaporation - the concentration of a colloidal solution whose colloid will not pass through a semipermeable membrane; solution is placed in a bag of the membrane and the solvent is evaporated off dilution - weakening (reducing the concentration) by the addition of water or a thinner
	4.	concentration - increase in density increase - a change resulting in an increase; "the increase is scheduled for next month" compaction, compression, densification, concretion - an increase in the density of something rarefaction - a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium"
	5.	concentration - complete attention; intense mental effort engrossment, immersion, absorption attention - the faculty or power of mental concentration; "keeping track of all the details requires your complete attention" centering, focus, focusing, focussing, focal point, direction - the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"; "he had no direction in his life" specialism - the concentration of your efforts on a particular field of study or occupation study - a state of deep mental absorption; "she is in a deep study"
	6.	concentration - bringing together military forces gathering, assemblage, assembly - the social act of assembling; "they demanded the right of assembly"
	7.	concentration - great and constant diligence and attention assiduity, assiduousness industriousness, diligence, industry - persevering determination to perform a task; "his diligence won him quick promotions"; "frugality and industry are still regarded as virtues" intentness, engrossment - the quality of being intent and concentrated; "the intentness of his gaze" singleness - the quality of concentrating on one central objective; "his singleness of purpose"

concentration

noun

1. attention, application, absorption, single-mindedness, intentness His talking kept breaking my concentration.
attention distraction, disregard, inattention, absent-mindedness

2. focusing, centring, consolidation, convergence, bringing to bear, intensification, centralization This concentration of effort and resources should not be to the exclusion of everything else.

3. convergence, collection, mass, cluster, accumulation, aggregation The area has one of the world's greatest concentrations of wildlife.
convergence scattering, spreading-out, diffusion, dispersal

concentration

noun

1. A converging at a common center:

confluence, conflux, convergence.

2. Concentration of the mental powers on something:

attention, attentiveness, consideration, heedfulness, regardfulness.

Translations

تَرْكيزتَرْكِيز

koncentracesoustředěnostsoustřeďování

koncentration

keskittyminen

koncentracija

összpontosítás

einbeiting

concentrazione concentramento

集中

집중

sústredenie

zbirenzbranost

koncentration

การตั้งใจ

konsantrasyon yoğunlaşmazihnini bir noktaya toplama

sự tập trung

专心集中集合

concentration

[ˌkɒnsənˈtreɪʃən]

A. N → concentración f

B. CPD concentration camp N → campo m de concentración

concentration

[ˌkɒns^ənˈtreɪʃ^ən] n

(= attention) → concentration f concentration span

(= accumulation) → concentration fconcentration camp n → camp m de concentrationconcentration span n [person] → capacité f de concentration

concentration

→ Konzentration f; powers of concentration → Konzentrationsfähigkeit f

(= gathering) → Ansammlung f

(Chem) → Konzentration f

concentration

[ˌkɒnsənˈtreɪʃ/ən] n (of mind, also) (Tech) → concentrazione f; (of people, troops) → concentramento

concentrate

(ˈkonsəntreit) verb

1. to give all one's energies, attention etc to one thing. I wish you'd concentrate (on what I'm saying).

2. to bring together in one place. He concentrated his soldiers at the gateway.

3. to make (a liquid) stronger by boiling to reduce its volume.

ˈconcentrated adjective

(of a liquid etc) made stronger; not diluted. concentrated orange juice.

ˌconcenˈtration noun

She lacks concentration – she will never pass the exam.

concentration

→ تَرْكِيز soustředěnost koncentration Konzentration συγκέντρωση concentración keskittyminen concentration koncentracija concentrazione 集中 집중 concentratie konsentrasjon koncentracja concentração концентрация koncentration การตั้งใจ yoğunlaşma sự tập trung 集合

con·cen·tra·tion

n. concentración.

concentration

n concentración f

References in classic literature ?

As long as the paralysis was upon him, and it seemed as if he might always be in a childlike condition of dependence,--as long as he was still only half awakened to his trouble,--Maggie had felt the strong tide of pitying love almost as an inspiration, a new power, that would make the most difficult life easy for his sake; but now, instead of childlike dependence, there had come a taciturn, hard concentration of purpose, in strange contrast with his old vehement communicativeness and high spirit; and this lasted from day to day, and from week to week, the dull eye never brightening with any eagerness or any joy.

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Stripped of a great deal of somewhat obscure metaphysical theory, this distinction reduced itself to the certainly vital one, with which all true criticism more or less directly has to do, between the lower and higher degrees of intensity in the [94] poet's conception of his subject, and his concentration of himself upon his work.

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Yet when due respect has been paid to this critic of old time, the fact still remains that concentration and suggestion are the two essentials of Chinese poetry.

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I can see her at this moment: her short, square person planted firmly on the stool, her little fat hands moving quickly and neatly over the keys, her eyes fixed on the music with intelligent concentration.

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The points of similitude consist in the rivalship of power, applicable to both, and in the CONCENTRATION of large portions of the strength of the community into particular DEPOSITORIES, in one case at the disposal of individuals, in the other case at the disposal of political bodies.

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In fact, he would have perceived this sun, as yet in the gaseous state, and composed of moving molecules, revolving round its axis in order to accomplish its work of concentration.

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He saw that there was something working within her; in her flashing eyes, when they rested for a moment on him, there was an intense concentration, and in her words and movements there was that nervous rapidity and grace which, during the early period of their intimacy, had so fascinated him, but which now so disturbed and alarmed him.

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It proved, incontrovertibly, the disastrous effects of machinery and division of labour; the concentration of capital and land in a few hands; overproduction and crises; it pointed out the inevitable ruin of the petty bourgeois and peasant, the misery of the proletariat, the anarchy in production, the crying inequalities in the distribution of wealth, the industrial war of extermination between nations, the dissolution of old moral bonds, of the old family relations, of the old nationalities.

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I knew that seclusion and solitude were very necessary for my friend in those hours of intense mental concentration during which he weighed every particle of evidence, constructed alternative theories, balanced one against the other, and made up his mind as to which points were essential and which immaterial.

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The conclusion which I am warranted in drawing from these observations is, that a mere demarcation on parchment of the constitutional limits of the several departments, is not a sufficient guard against those encroachments which lead to a tyrannical concentration of all the powers of government in the same hands.

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All the old methods that had been unfailingly crowned with success: the concentration of batteries on one point, an attack by reserves to break the enemy's line, and a cavalry attack by "the men of iron," all these methods had already been employed, yet not only was there no victory, but from all sides came the same news of generals killed and wounded, of reinforcements needed, of the impossibility of driving back the Russians, and of disorganization among his own troops.

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Three hundred," he muttered, wrinkling his brows with concentration.

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