carbonyl
/ˈkɑːbənɪl/noun
as modifier
1- Chemistry of or denoting the divalent radical CO, present in such organic compounds as aldehydes, ketones, amides, and esters, and in organic acids as part of the carboxyl group【化】含碳酰基的：
carbonyl compounds.
碳酰基化合物。
1.1
- count noun a coordination compound in which one or more carbon monoxide molecules are bonded as neutral ligands to a central metal atom羰基, 碳酰基：
with modifier nickel carbonyl.镍羰基。