Standard Lemma guide

carbonyl

noun · 4 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • /ˈkɑː(ɹ)bənɪl/
  • /ˈkɑː(ɹ)bənaɪl/
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  • Southern-England: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

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

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, natural-sciences, organic-chemistry, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Any compound of a metal with carbon monoxide, such as nickel carbonyl, Ni(CO)4.

Definition source: English Wiktionary via Wiktextract

Topics: chemistry, inorganic-chemistry, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adjective

Meaning 3

relating to or containing the carbonyl group

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: carbonylic

Antonyms: none provided

4

noun

Meaning 4

a compound containing metal combined with carbon monoxide

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: compound, chemical compound

History

Etymology

Etymology tree Proto-Indo-European *kerh3-der.? Latin carbōnemlbor. French carbonebor. English carbon Proto-Indo-European *swel-der.? Ancient Greek ῡ̔́λη (hū́lē)der. Frenchder. English -yl English carbonyl From carbon + -yl.

Across languages

Translations

16 source translations are retained for this English entry.

  • Chinese Cantonese: 羰基 (tong1 gei1) — functional group -CO-
  • Chinese Mandarin: 羰基 — functional group -CO-
  • Czech: karbonyl — functional group -CO-
  • Estonian: karbonüül — functional group -CO-
  • Finnish: karbonyyli — functional group -CO-
  • German: Carbonyl — functional group -CO-
  • Hungarian: karbonil — functional group -CO-
  • Japanese: カルボニル基 (karuboniru-ki) — functional group -CO-
  • Korean: 카르보닐기 (kareubonilgi) — functional group -CO-
  • Persian: کربونیل (karbonil) — functional group -CO-
  • Turkish: karbonil — functional group -CO-
  • Chinese Mandarin: 羰基 (tāngjī) — any compound of a metal with carbon monoxide
  • Finnish: karbonyyli — any compound of a metal with carbon monoxide
  • German: Carbonylverbindung — any compound of a metal with carbon monoxide
  • Japanese: カルボニル基 (karuboniru-ki) — any compound of a metal with carbon monoxide
  • Korean: 카르보닐기 (kareubonilgi) — any compound of a metal with carbon monoxide
Real reading context

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