Bible Dictionaries
Carbonyl

Webster's Dictionary

(n.) The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc.

Bibliography Information
Webster, Noah. Entry for 'Carbonyl'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​c/carbonyl.html. 1828.