monoester: meaning, definition, pronunciation and examples
Very LowTechnical/Scientific
Quick answer
What does “monoester” mean?
An ester formed from one molecule of an acid and one molecule of an alcohol (or polyol), containing one ester linkage (-COO-).
Audio
Pronunciation
Definition
Meaning and Definition
An ester formed from one molecule of an acid and one molecule of an alcohol (or polyol), containing one ester linkage (-COO-).
In chemistry and biochemistry, a compound resulting from the esterification of a single carboxylic acid group with an alcohol or a hydroxyl group of a polyol. Common in lipid metabolism (e.g., monoacylglycerols) and polymer chemistry.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. Spelling and pronunciation follow standard regional patterns.
Connotations
Neutral technical term in both varieties.
Frequency
Equally rare and specialised in both UK and US contexts, confined to scientific literature and discourse.
Grammar
How to Use “monoester” in a Sentence
[monoester] of [compound][compound] monoesterthe monoester [verb, e.g., forms, is hydrolysed]Vocabulary
Collocations
Examples
Examples of “monoester” in a Sentence
adjective
British English
- The monoester fraction was collected for analysis.
- They studied the monoester hydrolysis kinetics.
American English
- The monoester compound exhibited unique solubility.
- Monoester formation is the first step in the pathway.
Usage
Meaning in Context
Business
Only in highly specific industries like specialty chemicals, pharmaceuticals, or food additive manufacturing.
Academic
Core term in chemistry and biochemistry papers, textbooks, and lectures concerning esterification, lipids, or polymer precursors.
Everyday
Virtually never used.
Technical
Precise term in laboratory reports, chemical patents, material science specifications, and biochemical pathways (e.g., 'lysophosphatidic acid is a monoester').
Watch out
Common Mistakes When Using “monoester”
- Misspelling as 'mono-ester' (hyphenated) is common but the standard form is solid. Confusing it with a monomer (a single unit for polymers).
FAQ
Frequently Asked Questions
No, it is a very low-frequency, specialised term used almost exclusively in scientific contexts like chemistry and biochemistry.
A common biological example is a monoacylglycerol (MAG), a fat molecule where glycerol is esterified with only one fatty acid.
No, it is exclusively a noun. The related process is 'esterification'.
A monoester contains one ester functional group (-COO-), while a diester contains two such groups.
An ester formed from one molecule of an acid and one molecule of an alcohol (or polyol), containing one ester linkage (-COO-).
Monoester is usually technical/scientific in register.
Monoester: in British English it is pronounced /ˈmɒnəʊˌɛstə/, and in American English it is pronounced /ˈmɑːnoʊˌɛstər/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
MONO- (one) + ESTER (type of chemical). Think: "ONE ester link".
Practice
Quiz
In which field is the term 'monoester' most likely to be used?