| subst. |
| 1. |
concentration - complete attention; intense mental effort |
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engrossment,
absorption,
immersion |
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attention a courteous act indicating affection; "she tried to win his heart with her many attentions"
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centering,
direction,
focal point,
focus,
focusing,
focussing (American football) putting the ball in play by passing it (between the legs) to a back; "the quarterback fumbled the snap"
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specialism the concentration of your efforts on a particular field of study or occupation
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study a room used for reading and writing and studying; "he knocked lightly on the closed door of the study"
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| 2. |
concentration - strengthening the concentration (as of a solute in a mixture) by removing diluting material |
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dilution weakening (reducing the concentration) by the addition of water or a thinner
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strengthening the act of increasing the strength of something
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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
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| 3. |
concentration - the strength of a solution; number of molecules of a substance in a given volume |
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property any movable articles or objects used on the set of a play or movie; "before every scene he ran down his checklist of props"
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titer,
titre the concentration of a solution as determined by titration
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hydrogen ion concentration the number of moles of hydrogen ions per cubic decimeter
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molality,
molal concentration concentration measured by the number of moles of solute per kilogram of solvent
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m,
molarity,
molar concentration the 13th letter of the Roman alphabet
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| 4. |
concentration - the spatial property of being crowded together |
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density,
denseness,
tightness,
compactness |
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dispersion,
distribution the act of dispersing or diffusing something; "the dispersion of the troops"; "the diffusion of knowledge"
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spacing,
spatial arrangement the property possessed by an array of things that have space between them
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| 5. |
concentration - increase in density |
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increase the act of increasing something; "he gave me an increase in salary"
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compaction,
compression,
concretion,
densification an increase in the density of something
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rarefaction a decrease in the density of something; "a sound wave causes periodic rarefactions in its medium"
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| 6. |
concentration - bringing together military forces |
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assemblage,
assembly,
gathering the social act of assembling; "they demanded the right of assembly"
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