[ kahr-buh-nil ]

  1. containing the carbonyl group.

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

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Origin of carbonyl

First recorded in 1865–70; carbon + -yl

Words Nearby carbonyl Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use carbonyl in a sentence

  • The salts of the carbonyl acids and other acid phenol dyes are but little suitable: and least of all, the nitro dyes.

    Histology of the Blood | Paul Ehrlich

British Dictionary definitions for carbonyl


/ (ˈkɑːbəˌnaɪl, -nɪl) /

  1. (modifier) of, consisting of, or containing the divalent group =CO: a carbonyl group or radical

  2. any one of a class of inorganic complexes in which carbonyl groups are bound directly to metal atoms

Derived forms of carbonyl

  • carbonylic (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

Scientific definitions for carbonyl


[ kärbə-nĭl′ ]

  1. 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.