The radical CO occuring constantly combined in many compounds because the aldehydes the ketones urea carbonyl chloride an such like
- relating to or containing the carbonyl team
- a compound containing metal combined with carbon monoxide
- The radical (CO)'', occuring, constantly combined, in lots ofu000du000a substances, once the aldehydes, the ketones, urea, carbonyl chloride, etc.
It is also decomposed by carbonyl chloride (Besson, loc. cit.).