carbonyl

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Related to carbonylic: carboxylic

carbonyl

 [kahr´bo-nil]
the divalent organic radical, C=O, characteristic of aldehydes, ketones, carboxylic acid, and esters.

car·bon·yl

(kar'bŏn-il),
The characteristic group, -C=O-, of the ketones, aldehydes, and organic acids.

car·bon·yl

(kahr'bŏn-il)
The characteristic group, -CO-, of the ketones, aldehydes, and organic acids.
References in periodicals archive ?
3) showed increasing proportions over time of aromatic groups, the carbonylic region, and a band assigned to C[H.sub.3] and benzene tings with 4 and/or 5 adjacent H (Hesse et al.
These include for example six esters, four alcohols, three carbonylic compounds, two acids, two heterocyclic compounds and one aromatic compound.
The following types are chosen: conformers with fully stretched-out (type 1) or bent side chain (type 2), and cyclic conformer (type 3) where the distance between phenolic proton H59 and carbonylic oxygen O25 (d) is less than 3.2 [Angstrom] (Fig.