1.Definition: (of light) transmitted directly from a pointed light source
2.Definition: being the most concentrated solution possible at a given temperature; unable to dissolve still more of a substance
3.Definition: gathered together or made less diffuse
"Their concentrated efforts", "His concentrated attention", "Concentrated study", "A narrow thread of concentrated ore"
4.Definition: intensely focused
"Her concentrated passion held them at bay"
5.Definition: of or relating to a solution whose dilution has been reduced