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v. con·cen·trat·ed, con·cen·trat·ing, con·cen·trates
a. To direct or draw toward a common center; focus.
b. To bring into one main body: Authority was concentrated in the president.
2. To make (a solution or mixture) less dilute.
a. To converge toward or meet in a common center.
b. To increase by degree; gather: "Dusk began to concentrate into full night" (Anthony Hyde).
2. To direct one's thoughts or attention: We concentrated on the task before us.
A product that has been concentrated, especially a food that has been reduced in volume or bulk by the removal of liquid: pineapple juice concentrate.