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The Collaborative International Dictionary
carbonyl

Oxalyl \Ox"a*lyl\, n. [Oxalic + -yl.] (Chem.)

  1. A hydrocarbon radical ( C2O2) regarded as a residue of oxalic acid and occurring in derivatives of it.

  2. An old name for carbonyl.

  3. An old name for carboxyl.

Wiktionary
carbonyl

n. 1 (context organic chemistry English) In organic chemistry, a divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others. 2 (context inorganic chemistry English) Any compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)4.

WordNet
carbonyl

adj. relating to or containing the carbonyl group [syn: carbonylic]

carbonyl

n. a compound containing metal combined with carbon monoxide

Wikipedia

Usage examples of "carbonyl".

Calum and Rafik turned and stared now at Acorna, where she rested in a net, happily perusing a vid on carbonyl reduction techniques for nonferrous metals.

In Phase I the lunar regolith would be raked for metal grains, which would then be reduced to their component elements by the gaseous carbonyl process.

At the same time, a related chemical vapor deposition process "would be used to fabricate large-sized, ultra-lightweight mirrors from the carbonyls of iron and nickel.

When we play the right stuff over the pure nickel inside a pressurized tank at exactly fifty degrees Centigrade, we get perfect nickel carbonyl, right?

It’s not a perfect system--I’m seeing excess carbonic carbonyl in the duodenum that seems to be ingested to compensate for an imbalance.

The toaster was the key to a process called gaseous carbonyl extraction, which allowed the extraction of ultra-pure metals—and, as a bonus, the direct fabrication of ultra-pure iron and nickel products in high-precision molds via chemical vapor deposition.

The toaster was the key to a process called gaseous carbonyl extraction, which allowed the extraction of ultra-pure metals -- and, as a bonus, the direct fabrication of ultra-pure iron and nickel products in high-precision molds via chemical vapor deposition.

At the temperature of Mercury’s sunside, I surmised that carbon monoxide would react fairly quickly with iron to form volatile iron carbonyls so that the robot’s more delicate joints might be badly damaged.

The toaster was the key to a process called gaseous carbonyl extraction, which allowed the extraction of ultra-pure metals-and, as a bonus, the direct fabrication of ultra-pure iron and nickel products in high-precision molds via chemical vapor deposition.