concentration


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con·cen·tra·tion

 (kŏn′sən-trā′shən)
n.
1.
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)
n
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.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.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
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 attentionconcentration - complete attention; intense mental effort
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 attentionconcentration - great and constant diligence and attention
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:
2. Concentration of the mental powers on something:
Translations
تَرْكيزتَرْكِيز
koncentracesoustředěnostsoustřeďování
koncentration
keskittyminen
koncentracija
összpontosítás
einbeiting
集中
집중
sústredenie
zbirenzbranost
koncentration
การตั้งใจ
konsantrasyonyoğunlaşmazihnini bir noktaya toplama
sự tập trung

concentration

[ˌkɒnsənˈtreɪʃən]
A. Nconcentración f
B. CPD concentration camp Ncampo m de concentración

concentration

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

concentration

n
Konzentration f; powers of concentrationKonzentrationsfähigkeit f
(= gathering)Ansammlung f
(Chem) → Konzentration f

concentration

[ˌkɒnsənˈtreɪʃn] 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 ?
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.
She had told me, bit by bit, under pressure, a great deal; but a small shifty spot on the wrong side of it all still sometimes brushed my brow like the wing of a bat; and I remember how on this occasion--for the sleeping house and the concentration alike of our danger and our watch seemed to help-- I felt the importance of giving the last jerk to the curtain.
Concentration of power in a political machine is bad; and and an Established Church is only a political machine; it was invented for that; it is nursed, cradled, pre- served for that; it is an enemy to human liberty, and does no good which it could not better do in a split-up and scattered condition.
But, when his nephew, leaning an elbow on the table, covered his eyes thoughtfully and dejectedly with his hand, the fine mask looked at him sideways with a stronger concentration of keenness, closeness, and dislike, than was comportable with its wearer's assumption of indifference.
I know how he has narrowed the circle of his sympathies and duties, in the concentration of his whole mind upon me.
Added to that, he had a blockhead confidence in his money and in his family greatness, which sometimes did him good service - almost taking the place of concentration and determined purpose.
She is also taught the knack of concentration, so that she may carry the switchboard situation in her head, as a chess- player carries in his head the arrangement of the chess-men.
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.
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.
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.
They must have been, and were, in the notes, as well as in the words of his wild fantasias (for he not unfrequently accompanied himself with rhymed verbal improvisations), the result of that intense mental collectedness and concentration to which I have previously alluded as observable only in particular moments of the highest artificial excitement.
Lucy has not walked much in her sleep the last week, but there is an odd concentration about her which I do not understand, even in her sleep she seems to be watching me.