[ kahr-buh-nil ]
/ ˈkɑr bə nɪl /


containing the carbonyl group.


a compound containing metal combined with carbon monoxide, as nickel carbonyl, Ni(CO)4.

Nearby words

  1. carbonization,
  2. carbonize,
  3. carbonless paper,
  4. carbonnade,
  5. carbonous,
  6. carbonyl chloride,
  7. carbonyl group,
  8. carbonylate,
  9. carbonylic,
  10. carboprost tromethamine

Origin of carbonyl

First recorded in 1865–70; carbon + -yl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for carbonyl

British Dictionary definitions for carbonyl


/ (ˈkɑːbəˌnaɪl, -nɪl) /

noun chem

(modifier) of, consisting of, or containing the divalent group =COa carbonyl group or radical
any one of a class of inorganic complexes in which carbonyl groups are bound directly to metal atoms
Derived Formscarbonylic (ˌkɑːbəˈnɪlɪk), adjective

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for carbonyl


[ kärbə-nĭl′ ]


The bivalent radical CO.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Science definitions for carbonyl


[ kärbə-nĭl′ ]

The radical CO, found in a wide range of chemical compounds, especially in aldehydes and ketones.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.