polyamine: meaning, definition, pronunciation and examples
C2+Technical/Scientific
Quick answer
What does “polyamine” mean?
An organic compound containing two or more primary amino groups.
Audio
Pronunciation
Definition
Meaning and Definition
An organic compound containing two or more primary amino groups.
A class of aliphatic organic compounds with multiple amino groups, such as putrescine or spermidine, that are essential for cell growth, division, and differentiation in all living organisms.
Dialectal Variation
British vs American Usage
Differences
No significant lexical or semantic differences. Spelling and pronunciation follow standard national conventions.
Connotations
Identical technical connotations in both varieties.
Frequency
Equally rare outside of biochemistry, molecular biology, and related scientific fields in both regions.
Grammar
How to Use “polyamine” in a Sentence
The polyamine (subject) + verb (e.g., regulates, inhibits, accumulates)Verb (e.g., synthesize, measure, deplete) + the polyamine (object)Adjective (e.g., endogenous, cationic) + polyamineVocabulary
Collocations
Examples
Examples of “polyamine” in a Sentence
verb
British English
- The research aims to polyamine-modify the surface.
- (Note: 'polyamine' is not a standard verb; this is a technical coinage.)
American English
- The team sought to polyamine-treat the sample to enhance adhesion.
adjective
British English
- The polyamine biosynthesis pathway is complex.
- They studied polyamine homeostasis.
American English
- The polyamine catabolism process was disrupted.
- Polyamine transport mechanisms vary.
Usage
Meaning in Context
Business
Not used.
Academic
Used in biochemistry, cell biology, pharmacology, and plant physiology research papers and textbooks.
Everyday
Virtually never used.
Technical
Core term in life sciences for discussing cell proliferation, cancer research, and plant stress responses.
Vocabulary
Synonyms of “polyamine”
Neutral
Weak
Watch out
Common Mistakes When Using “polyamine”
- Mispronouncing as 'poly-am-een' instead of 'poly-a-meen'.
- Using as a general term for any polymer.
- Confusing with 'polypeptide' or 'polyamide' (like nylon).
FAQ
Frequently Asked Questions
No, it is a specialised scientific term used almost exclusively in biochemistry and related life sciences.
Yes, spermidine, which is found in all living cells and is named for its original discovery in semen, is a classic example of a polyamine.
They are crucial organic cations that stabilise DNA, RNA, and membranes, and are essential for processes like cell growth, division, and differentiation.
Yes, a major difference. Polyamines are small, simple molecules with multiple amino groups. Proteins are large, complex macromolecules made of long chains of amino acids (polypeptides).
An organic compound containing two or more primary amino groups.
Polyamine is usually technical/scientific in register.
Polyamine: in British English it is pronounced /ˌpɒl.i.əˈmiːn/, and in American English it is pronounced /ˌpɑːl.i.əˈmiːn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of a POLYester shirt with many threads; a POLYamine is a molecule with many amino (-NH2) groups.
Conceptual Metaphor
A 'cellular manager' or 'growth regulator' (due to its role in controlling cell division).
Practice
Quiz
In which field is the term 'polyamine' most commonly used?