Standard Lemma guide

catechol

noun · 1 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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /ˈkæt.ɪt͡ʃ.ɒl/
  • Received-Pronunciation: /ˈkæt.ɪk.ɒl/
  • Southern-England: Recorded audio is listed in the source snapshot.
  • General-American: /ˈkæt.əˌkɔl/
  • General-American: /ˈkæt.əˌkoʊl/

1

noun

Meaning 1

The biologically important diphenol ortho-dihydroxy benzene; isomeric with hydroquinone and resorcinol.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

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

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From catech(u) + -ol. Compare catechin and catecholamine.