Word.ws English Dictionary

benzoyl

/ˈbɛnzəʊ.ɪl/

benzoyl noun: a univalent radical formally derived from benzoic acid, C₆H₅CO-, by removal of the hydroxyl group.

Noun

benzoyl (plural benzoyls)

  1. (especially, in-compounds) A univalent radical formally derived from benzoic acid, C₆H₅CO-, by removal of the hydroxyl group.
    • The O–O bond in benzoyl peroxide and the C–N bonds in AIBN homolyze under thermal or photochemical conditions.2007, Robert B. Grossman, The Art of Writing Reasonable Organic Reaction Mechanisms, →ISBN

Forms of benzoyl

pluralbenzoyls
alternative form (archaic)benzoil
alternative form (obsolete)benzule

Origin of benzoyl

From benzoic + -yl.

Words formed from benzoyl

Questions about benzoyl

What does benzoyl mean?
Benzoyl means a univalent radical formally derived from benzoic acid, C₆H₅CO-, by removal of the hydroxyl group.
What part of speech is benzoyl?
Benzoyl is a noun.
How do you pronounce benzoyl?
Benzoyl is pronounced /ˈbɛnzəʊ.ɪl/.
What is the plural of benzoyl?
The plural of benzoyl is benzoyls.

Words near benzoyl in the dictionary

  1. benzoxonium chloride
  2. benzoxyl
  3. benzoxylation
  4. benzoxylations
  5. benzoxyls
  6. benzoyl
  7. benzoyl chloride
  8. benzoyl peroxide
  9. benzoylacetate
  10. benzoylacetates
  11. benzoylamide

Source and license

Adapted from Wiktionary: benzoyl (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.

Last updated:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Persent101-benzoyl.wav.

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