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
tune up (a musical instrument) or tune (a musical instrument) up
to adjust a musical instrument to the right sound
The orchestra tuned up their instruments before the performance.