concentration

If you have great powers of concentration, that means you're able to focus all your attention on the matter at hand. Concentration can also refer to something that's clustered together or to the density or strength of a solution.

A concentration of people means that there are many of them in one area. Your city may have a concentration of artists living in the warehouses by the river. A high concentration of a substance in a solution means that there's a lot of it relative to the volume: the Great Salt Lake has very few fish because of the high concentration of salt. To say that you have good concentration skills means that you pay attention well.

Primary Meanings of concentration

1.
n
the spatial property of being crowded together
2.
n
complete attention; intense mental effort
Full Definitions of concentration
1

n the spatial property of being crowded together

Synonyms:
compactness, denseness, density, tightness
Antonyms:
dispersion, distribution
the spatial or geographic property of being scattered about over a range, area, or volume
Type of:
spacing, spatial arrangement
the property possessed by an array of things that have space between them

n an increase in density

Types:
compaction, compression, concretion, densification
an increase in the density of something
rarefaction
a decrease in the density of something
Type of:
increase
a change resulting in an increase

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

Types:
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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
M, molar concentration, molarity
concentration measured by the number of moles of solute per liter of solution
pH, pH scale
(from potential of Hydrogen) the logarithm of the reciprocal of hydrogen-ion concentration in gram atoms per liter; provides a measure on a scale from 0 to 14 of the acidity or alkalinity of a solution (where 7 is neutral and greater than 7 is more basic and less than 7 is more acidic);
Type of:
property
a basic or essential attribute shared by all members of a class

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

Antonyms:
dilution
weakening (reducing the concentration) by the addition of water or a thinner
Types:
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
Type of:
strengthening
the act of increasing the strength of something

n bringing together military forces

Type of:
assemblage, assembly, gathering
the social act of assembling
2

n complete attention; intense mental effort

Synonyms:
absorption, engrossment, immersion
Types:
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centering, direction, focal point, focus, focusing, focussing
the concentration of attention or energy on something
specialism
the concentration of your efforts on a particular field of study or occupation
study
a state of deep mental absorption
particularism
a focus on something particular
Type of:
attention
the faculty or power of mental concentration

n great and constant diligence and attention

Synonyms:
assiduity, assiduousness
Types:
engrossment, intentness
the quality of being intent and concentrated
singleness
the quality of concentrating on one central objective
Type of:
diligence, industriousness, industry
persevering determination to perform a task

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