1. Noun
The act or process of concentrating; the process of becoming concentrated, or the state of being concentrated; concentration.
2. Noun
The act or process of reducing the volume of a liquid, as by evaporation.
3. Noun
The act or process of removing the dress of ore and of reducing the valuable part to smaller compass, as by currents of air or water.
4. Noun
The amount of a substance in a given volume or area
5. Noun
complete attention; intense mental effort
Vocabulary classified under Psychology
6. Noun
the spatial property of being crowded together
Vocabulary classified under Geography
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