(n.) The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc.
Webster's Revised Unabridged Dictionary
| APA | Webster's. (2011). carbonyl. Retrieved September 28, 2026, from http://smartdefine.org/carbonyl/definitions/1984701 |
| Chicago | Webster's. 2011. "carbonyl" http://smartdefine.org/carbonyl/definitions/1984701 (accessed September 28, 2026). |
| Harvard | Webster's 2011, carbonyl, Smart Define, viewed 28 September, 2026, <http://smartdefine.org/carbonyl/definitions/1984701>. |
| MLA | Webster's. "carbonyl" 27 May 2011. Web. 28 September 2026. <http://smartdefine.org/carbonyl/definitions/1984701> |