n.
Pronunciation: ' kär-b ə - ˌ nil, - ˌ n ē l
Function: noun
Date: 1863
1 : an organic functional group or radical – CO – occurring in aldehydes, ketones, carboxylic acids, esters, and their derivatives
2 : a coordination complex involving the neutral radical CO <chromium carbonyl >
– car · bon · yl · ic \ ˌ kär-b ə - ' ni-lik \ adjective