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American Dictionary of the English Language

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Concentrate


CONCENTRATE, verb transitive [See Concenter.]

1. To bring to a common center, or to a closer union; to cause to approach nearer to a point, or center; to bring nearer to each other; as, to concentrate particles of salt by evaporating the water that holds them in solution; to concentrate the troops in an army; to concentrate rays of light into a focus.

2. To increase the specific gravity of a body.