diol: meaning, definition, pronunciation and examples
RareTechnical/Scientific
Quick answer
What does “diol” mean?
A chemical compound containing two hydroxyl (-OH) groups.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical compound containing two hydroxyl (-OH) groups.
In organic chemistry, a specific type of alcohol molecule with two hydroxyl functional groups, important in polymer and pharmaceutical synthesis.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation are identical. The chemical nomenclature is international.
Connotations
Purely technical, with no cultural or regional connotations.
Frequency
Equally rare and specialized in both dialects, used only in chemistry contexts.
Grammar
How to Use “diol” in a Sentence
[diol] + [is used as] + [a monomer/precursor][The] + [diol] + [reacts with] + [a diacid][A] + [geminal/vicinal] + [diol]Vocabulary
Collocations
Examples
Examples of “diol” in a Sentence
adjective
British English
- The diol functional group is key to the reaction.
American English
- We need a diol compound for the next step.
Usage
Meaning in Context
Business
Used in specifications for materials, polymers, or chemical feedstocks in manufacturing industries.
Academic
Common in chemistry textbooks, research papers, and lectures on organic synthesis and polymer science.
Everyday
Virtually never used in everyday conversation outside of specific scientific contexts.
Technical
The primary domain. Used precisely to describe molecular structure in chemistry, chemical engineering, and materials science.
Watch out
Common Mistakes When Using “diol”
- Pronouncing it as /daɪˈoʊl/ (dye-ole) instead of /ˈdaɪɒl/ (dye-ol).
- Using it as a general term for any alcohol.
- Confusing it with 'dial'.
FAQ
Frequently Asked Questions
No, it is a highly specialized technical term used almost exclusively in chemistry.
In common usage, 'glycol' often refers to specific, well-known diols like ethylene glycol or propylene glycol. 'Diol' is the broader structural term for any molecule with two hydroxyl groups.
Antifreeze for cars typically contains ethylene glycol, which is a diol.
It is pronounced /ˈdaɪɒl/ (DY-ol), with the stress on the first syllable. The 'di' rhymes with 'eye'.
A chemical compound containing two hydroxyl (-OH) groups.
Diol is usually technical/scientific in register.
Learning
Memory Aids
Mnemonic
Think 'DIE-O-L': DIE (as in 'di-' for two) arms holding O-L (OH groups). A molecule with two OH groups.
Conceptual Metaphor
A BRIDGE BUILDER: In polymer chemistry, a diol often acts as a linking unit, connecting other molecules to form chains, much like a builder connecting two structures.
Practice
Quiz
In which field is the term 'diol' exclusively used?