(n.) A compound radical or unsaturated group, HO, consisting of one atom of hydrogen and one of oxygen. It is a characteristic part of the hydrates, the alcohols, the oxygen acids, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). hydroxyl. Retrieved September 20, 2026, from http://smartdefine.org/hydroxyl/definitions/2018165 |
| Chicago | Webster's. 2011. "hydroxyl" http://smartdefine.org/hydroxyl/definitions/2018165 (accessed September 20, 2026). |
| Harvard | Webster's 2011, hydroxyl, Smart Define, viewed 20 September, 2026, <http://smartdefine.org/hydroxyl/definitions/2018165>. |
| MLA | Webster's. "hydroxyl" 27 May 2011. Web. 20 September 2026. <http://smartdefine.org/hydroxyl/definitions/2018165> |