(a.) Pertaining to, derived from or designating, an acid, HO.C2H4.SO3H, obtained as an oily or crystalline substance, by the action of sulphur trioxide on alcohol or ether. It is derivative of sulphuric acid.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). isethionic. Retrieved September 23, 2026, from http://smartdefine.org/isethionic/definitions/2023903 |
| Chicago | Webster's. 2011. "isethionic" http://smartdefine.org/isethionic/definitions/2023903 (accessed September 23, 2026). |
| Harvard | Webster's 2011, isethionic, Smart Define, viewed 23 September, 2026, <http://smartdefine.org/isethionic/definitions/2023903>. |
| MLA | Webster's. "isethionic" 27 May 2011. Web. 23 September 2026. <http://smartdefine.org/isethionic/definitions/2023903> |