(n.) A white substance extracted from the lichen, Iceland moss (Cetraria Islandica). It consists of several ingredients, among which is cetraric acid, a white, crystalline, bitter substance.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). cetrarin. Retrieved September 23, 2026, from http://smartdefine.org/cetrarin/definitions/1986036 |
| Chicago | Webster's. 2011. "cetrarin" http://smartdefine.org/cetrarin/definitions/1986036 (accessed September 23, 2026). |
| Harvard | Webster's 2011, cetrarin, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/cetrarin/definitions/1986036>. |
| MLA | Webster's. "cetrarin" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/cetrarin/definitions/1986036> |