noun ·Uncommon ·Advanced level

Definitions

Noun

1. 1
   A divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others.
2. 2
   a compound containing metal combined with carbon monoxide wordnet
3. 3
   Any compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)₄.

Adjective

1. 1
   relating to or containing the carbonyl group wordnet

Synonyms

All synonyms

carbonylic

Etymology

From carbon + -yl.

Related phrases

carbonyl chloridecarbonyl cyanidecarbonyl stretchcarbonyl sulfide, carbonyl sulphidemetal carbonylmolybdenum carbonylnickel carbonylsulfocarbonyl, sulphocarbonyltungsten carbonylcarbon monoxidecarbonyl halidecarboxylic acid

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.