- (n.) Same as Philter.
- (v.i.) To pass through a filter; to percolate.
- (n.) Any porous substance, as cloth, paper, sand or charcoal, through which water or other liquid may passed to cleanse it from the solid or impure matter held in suspension; a chamber or device containing such substance; a strainer; also, a similar device for purifying air.
- (n.) To purify or defecate, as water or other liquid, by causing it to pass through a filter.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). filter. Retrieved September 20, 2026, from http://smartdefine.org/filter/definitions/2008013 |
| Chicago | Webster's. 2011. "filter" http://smartdefine.org/filter/definitions/2008013 (accessed September 20, 2026). |
| Harvard | Webster's 2011, filter, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/filter/definitions/2008013>. |
| MLA | Webster's. "filter" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/filter/definitions/2008013> |