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Từ điển WordNet v3.1 - WordNet Dictionary
concentration


noun
1. the strength of a solution;
number of molecules of a substance in a given volume (Freq. 25)
Derivationally related forms:
concentrate
Hypernyms:
property
Hyponyms:
titer, titre, hydrogen ion concentration, molality, molal concentration,
molarity, molar concentration, M
2. the spatial property of being crowded together (Freq. 5)
Syn:
density, denseness, tightness, compactness
Ant:
distribution
Derivationally related forms:
tight (for: tightness), dense (for: denseness), dense (for: density), concentrate
Hypernyms:
spacing, spatial arrangement
3. strengthening the concentration (as of a solute in a mixture) by removing diluting material (Freq. 3)
Ant:
dilution
Derivationally related forms:
concentrate
Hypernyms:
strengthening
Hyponyms:
pervaporation
4. increase in density (Freq. 2)
Derivationally related forms:
concentrate
Hypernyms:
increase
Hyponyms:
compaction, compression, concretion, densification, rarefaction
5. complete attention;
intense mental effort (Freq. 2)
Syn:
engrossment, absorption, immersion
Derivationally related forms:
immerse (for: immersion), absorb (for: absorption), engross (for: engrossment), concentrate
Hypernyms:
attention
Hyponyms:
focus, focusing, focussing, focal point, direction,
centering, specialism, study
6. bringing together military forces (Freq. 1)
Derivationally related forms:
concentrate
Hypernyms:
assembly, assemblage, gathering
7. great and constant diligence and attention
Syn:
assiduity, assiduousness
Derivationally related forms:
concentrate, assiduous (for: assiduousness), assiduous (for: assiduity)
Hypernyms:
diligence, industriousness, industry
Hyponyms:
intentness, engrossment, singleness

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