Con‐cen″trate (? or?), v. t. [imp. & p. p.Concentrated; p. pr. & vb. n.Concentrating.] [Pref. con- + L. centrum center. Cf. Concenter.] 1. To bring to, or direct toward, a common center; to unite more closely; to gather into one body, mass, or force; to fix; as, to concentrate rays of light into a focus; to concentrate the attention.
(He) concentrated whole force at his own camp.
Motley.
2. To increase the strength and diminish the bulk of, as of a liquid or an ore; to intensify, by getting rid of useless material; to condense; as, to concentrate acid by evaporation; to concentrate by washing; — opposed to dilute.
Spirit of vinegar concentrated and reduced to its greatest strength.
Arbuthnot.
Syn. — To combine; to condense; to consolidate.