n.
1.the strength of a solution
2.the spatial property of being crowded together
3.strengthening the concentration (as of a solute in a mixture) by removing extraneous material
4.increase in density
5.complete attention
6.bringing together military forces
7.great and constant diligence and attention
Idiom of the Day
off one's high horse
not acting proud and scornful, not acting like you are better than others
Our boss got off his high horse when he admitted that he had made many mistakes with the new product.