- (v.t.) 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.
- (v.i.) To approach or meet in a common center; to consolidate; as, population tends to concentrate in cities.
- (v.t.) 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.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). concentrate. Retrieved September 20, 2026, from http://smartdefine.org/concentrate/definitions/1989858 |
| Chicago | Webster's. 2011. "concentrate" http://smartdefine.org/concentrate/definitions/1989858 (accessed September 20, 2026). |
| Harvard | Webster's 2011, concentrate, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/concentrate/definitions/1989858>. |
| MLA | Webster's. "concentrate" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/concentrate/definitions/1989858> |