from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The bivalent radical CO. Also called carbonyl group.
- n. A metal compound, such as Ni(CO)4, containing the CO group.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. In organic chemistry, a divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others.
- n. Any compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)4.
from the GNU version of the Collaborative International Dictionary of English
- n. The radical (CO)'', occuring, always combined, in many compounds, as the aldehydes, the ketones, urea, carbonyl chloride, etc.
from The Century Dictionary and Cyclopedia
- n. A hypothetical organic radical having the formula CO.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a compound containing metal combined with carbon monoxide
- adj. relating to or containing the carbonyl group
Sorry, no etymologies found.