cat·​e·​chol ˈka-tə-ˌkȯl How to pronounce catechol (audio)
: a crystalline phenol C6H6O2 obtained from various natural sources but usually made synthetically and used especially in organic synthesis

Example Sentences

Recent Examples on the Web Dopamine’s role in all these conditions brought Hall to the enzyme COMT, or catechol-O-methyltransferase. Erik Vance, Discover Magazine, 19 July 2014 He and Matt Coggon, a research scientist at NOAA, also found that catechol may play a key role in ozone formation related to wildfires. Kyle Dickman, Scientific American, 1 Mar. 2020 To prevent this, Valentine and her colleagues temporarily covered the catechols with capping groups. Robert F. Service, Science | AAAS, 26 Oct. 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'catechol.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Word History

First Known Use

1880, in the meaning defined at sense 1

Time Traveler
The first known use of catechol was in 1880

Dictionary Entries Near catechol

Cite this Entry

“Catechol.” Dictionary, Merriam-Webster, Accessed 20 Mar. 2023.

Medical Definition


cat·​e·​chol ˈkat-ə-ˌkȯl, -ˌkōl How to pronounce catechol (audio)

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