(n.) A kind of seaweed; pl. the class of cellular cryptogamic plants which includes the black, red, and green seaweeds, as kelp, dulse, sea lettuce, also marine and fresh water confervae, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). alga. Retrieved September 23, 2026, from http://smartdefine.org/alga/definitions/1972286 |
| Chicago | Webster's. 2011. "alga" http://smartdefine.org/alga/definitions/1972286 (accessed September 23, 2026). |
| Harvard | Webster's 2011, alga, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/alga/definitions/1972286>. |
| MLA | Webster's. "alga" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/alga/definitions/1972286> |