carbonyl

C3A1R1B3O1N1Y4L1
/ˈkɑː(ɹ)bənɪl//ˈkɑː(ɹ)bənaɪl/

noun

A divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others.

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Less commonScrabble 15

Meanings

nouncarbonyl (plural carbonyls)

plural carbonyls

  1. chemistryA divalent functional group, (-CO-), characteristic of aldehydes, ketones, carboxylic acids, amides, carboxylic acid anhydrides, carbonyl halides, esters and others.
  2. chemistryAny compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)₄.

Synonyms & antonyms

adjectiverelating to or containing the carbonyl group

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Also see

Synonym sets from Open English WordNet, CC BY 4.0.

Origin

  1. Proto-Indo-European*kerh₃-der.?
  2. Latincarbōnem
  3. Frenchcarbone
  4. Englishcarbon
  5. Proto-Indo-European*swel-der.?
  6. Ancient Greekῡ̔́λη (hū́lē)
  7. Englishcarbonyl

From carbon + -yl.

Full word history & related roots →

Translations

Chinese Cantonese 羰基
  • 羰基 (tong¹ gei¹)functional group -CO-
Chinese Mandarin 羰基, 羰基
  • 羰基functional group -CO-
  • 羰基 (tāngjī)any compound of a metal with carbon monoxide
Czech karbonyl
  • karbonylfunctional group -CO-
Estonian karbonüül
  • karbonüülfunctional group -CO-
Finnish karbonyyli, karbonyyli
  • karbonyylifunctional group -CO-
  • karbonyyliany compound of a metal with carbon monoxide
German Carbonyl, Carbonylverbindung
  • Carbonylfunctional group -CO-
  • Carbonylverbindungany compound of a metal with carbon monoxide
Hungarian karbonil
  • karbonilfunctional group -CO-
Japanese カルボニル基, カルボニル基
  • カルボニル基 (karuboniru-ki)functional group -CO-
  • カルボニル基 (karuboniru-ki)any compound of a metal with carbon monoxide
Korean 카르보닐기, 카르보닐기
  • 카르보닐기 (kareubonilgi)functional group -CO-
  • 카르보닐기 (kareubonilgi)any compound of a metal with carbon monoxide
Persian کربونیل
  • کربونیل (karbonil)functional group -CO-
Turkish karbonil
  • karbonilfunctional group -CO-

Rhymes & wordplay

Anagrams

Cite this entry
APA

carbonyl. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/carbonyl

MLA

“carbonyl.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/carbonyl. Accessed November 4, 2026.

Chicago

WatkinsX Dictionary, s.v. “carbonyl,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/carbonyl.

Source: carbonyl on Wiktionary, CC BY-SA 4.0.