Concentration refers to the act of focusing all your attention or effort on one particular thing. It means giving your full energy and attention to something to do it better and achieve your goal. Full definition
Increase of concentration of carbon dioxide would not cause extinction of plants, but according to the fossils, plants were massively affected as well. (news.mongabay.com)
However, the degree of concentration in high dividend benchmarks is striking. (schroders.com)
The purpose of this is to facilitate the removal of higher concentrations of heavy metals via the urinary tract than would normally occur from the body's natural detoxification processes. (drvitaminsolutions.com)