aquifer is an underground water-bearing layer of rock, including gravel and sand, that will yield water in usable quantity. Aquifers are sources of water for wells and springs.
Barry Goldsmith
| APA | Barry Goldsmith. (2010). aquifer. Retrieved September 24, 2026, from http://smartdefine.org/aquifer/definitions/1147773 |
| Chicago | Barry Goldsmith. 2010. "aquifer" http://smartdefine.org/aquifer/definitions/1147773 (accessed September 24, 2026). |
| Harvard | Barry Goldsmith 2010, aquifer, Smart Define, viewed 24 September, 2026, <http://smartdefine.org/aquifer/definitions/1147773>. |
| MLA | Barry Goldsmith. "aquifer" 21 October 2010. Web. 24 September 2026. <http://smartdefine.org/aquifer/definitions/1147773> |