catechol: meaning, definition, pronunciation and examples
C2 (Advanced, Highly Specialized)Technical / Scientific
Quick answer
What does “catechol” mean?
A benzene derivative with two hydroxyl groups (-OH) adjacent to each other.
Audio
Pronunciation
Definition
Meaning and Definition
A benzene derivative with two hydroxyl groups (-OH) adjacent to each other.
A specific aromatic organic compound (C6H4(OH)2) used as a chemical intermediate, reducing agent, and in photography. Also known as 1,2-dihydroxybenzene or pyrocatechol.
Dialectal Variation
British vs American Usage
Differences
No major lexical or spelling differences. Potential minor pronunciation differences in the first vowel.
Connotations
None beyond its scientific meaning.
Frequency
Extremely low frequency in general language. Usage is confined almost entirely to chemistry, biochemistry, and related scientific/engineering fields in both regions.
Grammar
How to Use “catechol” in a Sentence
[Catechol] is used as a [noun] in [process].[Catechol] reacts with [reagent] to form [product].Vocabulary
Collocations
Examples
Examples of “catechol” in a Sentence
verb
British English
- (Not used as a verb.)
American English
- (Not used as a verb.)
adverb
British English
- (Not used as an adverb.)
American English
- (Not used as an adverb.)
adjective
British English
- The catechol ring is a key feature of the molecule.
- They studied the catechol oxidation pathway.
American English
- The catechol functional group is highly reactive.
- Catechol-based polymers were synthesized.
Usage
Meaning in Context
Business
Virtually never used. Possible in very specific chemical manufacturing or pharmaceutical R&D contexts.
Academic
Core term in organic chemistry, biochemistry, and pharmacology papers, especially concerning catecholamines, enzymes, or antioxidants.
Everyday
Never used in everyday conversation.
Technical
Precise term for the specific chemical compound and as a building block for more complex molecules (e.g., dopamine, adrenaline).
Vocabulary
Synonyms of “catechol”
Strong
Neutral
Weak
Vocabulary
Antonyms of “catechol”
Watch out
Common Mistakes When Using “catechol”
- Misspelling as 'catchol', 'catachol', or 'catecol'.
- Confusing it with 'catechin' or 'catechism'.
- Using it in a non-scientific context.
FAQ
Frequently Asked Questions
Yes, catechol is toxic and can be harmful if swallowed, inhaled, or absorbed through the skin. It is corrosive and a recognised irritant. It should only be handled in a laboratory with appropriate safety precautions.
Catechol (C6H4(OH)2) is a simple benzene derivative with two hydroxyl groups. Catechin is a flavan-3-ol, a more complex polyphenol found in tea, which contains a catechol group as part of a larger structure.
It is derived from 'catechu', the extract from the heartwood of Acacia catechu trees, from which the compound was first isolated.
Yes, dopamine, adrenaline (epinephrine), and noradrenaline (norepinephrine) are all catecholamines. They are amines derived from catechol and are crucial neurotransmitters and hormones.
A benzene derivative with two hydroxyl groups (-OH) adjacent to each other.
Catechol is usually technical / scientific in register.
Catechol: in British English it is pronounced /ˈkatɪtʃɒl/, and in American English it is pronounced /ˈkætɪˌtʃɔːl/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “None.”
Learning
Memory Aids
Mnemonic
Think of 'CATE' (like catechism - a form of teaching) and 'CHOL' (like cholesterol - a chemical). It's a chemical 'taught' in advanced chemistry.
Conceptual Metaphor
None in common usage. Technically conceptualised as a 'building block' or 'precursor' in biochemistry.
Practice
Quiz
In which field is the term 'catechol' most commonly used?