Word.ws English Dictionary

carboxyl

/kɑː(ɹ)ˈbɒksɪl/

carboxyl noun: a univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.

Noun

carboxyl (plural carboxyls)

  1. A univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.

Forms of carboxyl

pluralcarboxyls

Origin of carboxyl

Blend of carbonyl + hydroxyl.

Words formed from carboxyl

Phrases with carboxyl

Questions about carboxyl

What does carboxyl mean?
Carboxyl means a univalent functional group consisting of a carbonyl and a hydroxyl functional group (-CO.OH); characteristic of carboxylic acids.
What part of speech is carboxyl?
Carboxyl is a noun.
How do you pronounce carboxyl?
Carboxyl is pronounced /kɑː(ɹ)ˈbɒksɪl/.
What is the plural of carboxyl?
The plural of carboxyl is carboxyls.

Words near carboxyl in the dictionary

  1. carboxyhemoglobins
  2. carboxyhydrolase
  3. carboxyhydrolases
  4. carboxykinase
  5. carboxykinases
  6. carboxyl
  7. carboxyl methyltransferase
  8. carboxyl methyltransferases
  9. carboxylase
  10. carboxylases
  11. carboxylate

Source and license

Adapted from Wiktionary: carboxyl (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-carboxyl.wav.

Cite this entry: “carboxyl.” Word.ws, https://word.ws/carboxyl. Based on Wiktionary, CC BY-SA 4.0.