con·cen·ter \kən, (ˈ)kän-+\verb (-ed/-ing/-s) Etymology: Middle French concentrer, from com- + centre center — more at center transitive verb : to draw or direct to a common center : bring together at a focus or point (as lines, ideas, or emotions) : concentrate intransitive verb : to come to one point : meet in, converge toward, or have a common center < then begins to concenter the … nexus of … habits of reaction to experience — Survey Graphic >