catechol
noun
cat·e·chol
ˈka-tə-ˌkȯl 
-ˌkōl
1
: catechin
2
: a crystalline phenol C6H6O2 obtained from various natural sources but usually made synthetically and used especially in organic synthesis
Examples of catechol in a Sentence
Recent Examples on the Web
To strengthen their glue, mussels use two chemical groups, called catechols and thiols, which cross-link like the hooks and loops of Velcro.
—
Michael Irving,
New Atlas,
26 Feb. 2025
To prevent this, Valentine and her colleagues temporarily covered the catechols with capping groups.
—
Robert F. Service,
Science | AAAS,
26 Oct. 2017
Dopamine’s role in all these conditions brought Hall to the enzyme COMT, or catechol-O-methyltransferase.
—
Erik Vance,
Discover Magazine,
19 July 2014
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Michael Irving,
New Atlas,
26 Feb. 2025
To prevent this, Valentine and her colleagues temporarily covered the catechols with capping groups.
—
Robert F. Service,
Science | AAAS,
26 Oct. 2017
Dopamine’s role in all these conditions brought Hall to the enzyme COMT, or catechol-O-methyltransferase.
—
Erik Vance,
Discover Magazine,
19 July 2014
Cite this Entry
“Catechol.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/catechol. Accessed 6 Jul. 2026.
Copy CitationMedical Definition
catechol
noun
cat·e·chol
ˈkat-ə-ˌkȯl, -ˌkōl
1
: catechin
2
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