thiophene: meaning, definition, pronunciation and examples
C2Technical / Scientific
Quick answer
What does “thiophene” mean?
A colourless, flammable, heterocyclic compound composed of a five-membered ring containing four carbon atoms and one sulfur atom (C₄H₄S).
Audio
Pronunciation
Definition
Meaning and Definition
A colourless, flammable, heterocyclic compound composed of a five-membered ring containing four carbon atoms and one sulfur atom (C₄H₄S).
The fundamental structural unit of many important organic compounds, including pharmaceuticals, agrochemicals, and conductive polymers. It serves as a key building block in materials science and synthetic chemistry.
Dialectal Variation
British vs American Usage
Differences
No significant differences in usage, spelling, or meaning. Pronunciation differs slightly (see IPA).
Connotations
None. Purely denotative.
Frequency
Equally rare and specialised in both variants, confined to technical literature.
Grammar
How to Use “thiophene” in a Sentence
[Thiophene] + [verb: is, acts as, serves as] + [noun phrase: a precursor, a monomer, a ligand][Adjective: Alkyl-, Poly-] + [thiophene]to [verb: polymerize, functionalize, halogenate] + [thiophene]Vocabulary
Collocations
Examples
Examples of “thiophene” in a Sentence
adjective
British English
- The thiophene-containing material exhibited novel electronic properties.
American English
- The thiophene-containing material exhibited novel electronic properties.
Usage
Meaning in Context
Business
Used in reports for the chemical, pharmaceutical, or materials industries (e.g., 'The new thiophene-based polymer shows promise for flexible electronics').
Academic
Core term in organic chemistry, materials science, and pharmaceutical chemistry journals and textbooks.
Everyday
Virtually never used. Unfamiliar to non-specialists.
Technical
The primary domain. Used precisely to describe molecular structures, synthesis pathways, and material properties.
Vocabulary
Synonyms of “thiophene”
Neutral
Weak
Watch out
Common Mistakes When Using “thiophene”
- Misspelling as 'thiophine' or 'thiofene'.
- Mispronouncing the '-phene' as /fɛn/ instead of /fiːn/.
- Using it as a general term for any sulfur-containing compound.
FAQ
Frequently Asked Questions
Thiophene itself is flammable and has a smell similar to benzene. It requires careful handling in a laboratory setting, but its derivatives are ubiquitous in safe, commercial products.
It is used as a building block to make pharmaceuticals (e.g., certain anti-inflammatory drugs), agrochemicals, dyes, and conductive plastics for electronic devices like OLED screens.
Both are five/six-membered aromatic rings. Thiophene has one sulfur atom replacing a CH group in the ring, while benzene is a six-membered ring of only carbon and hydrogen (C₆H₆).
The 'thio-' prefix (from Greek for sulfur) is pronounced /ˈθaɪ.əʊ/ in both UK and US English. The '-phene' part is derived from Greek and follows the same pattern as 'phenol', pronounced /fiːn/.
A colourless, flammable, heterocyclic compound composed of a five-membered ring containing four carbon atoms and one sulfur atom (C₄H₄S).
Thiophene is usually technical / scientific in register.
Thiophene: in British English it is pronounced /ˈθaɪ.ə.fiːn/, and in American English it is pronounced /ˈθaɪ.əˌfiːn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'THIO' for sulfur (like in 'thiol') + 'PHENE' which sounds like part of 'benzene' (another ring compound). A sulfur-in-the-ring scene.
Conceptual Metaphor
A 'BUILDING BLOCK' or 'SCAFFOLD' for constructing more complex molecules.
Practice
Quiz
In which field is the term 'thiophene' primarily used?