diamine: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “diamine” mean?
A chemical compound containing two amino groups.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical compound containing two amino groups.
A class of organic compounds with two amine groups, often used as intermediates in polymer synthesis, dyes, and pharmaceuticals.
Dialectal Variation
British vs American Usage
Differences
No significant lexical differences; spelling and meaning identical.
Connotations
None beyond its scientific definition.
Frequency
Extremely low frequency in general language; exclusive to chemistry in both dialects.
Grammar
How to Use “diamine” in a Sentence
diamine of [compound]diamine with [properties]Vocabulary
Collocations
Examples
Examples of “diamine” in a Sentence
adjective
British English
- The diamine precursor was unstable.
- A diamine catalyst accelerated the reaction.
American English
- The diamine solution turned blue.
- We need a diamine reagent for the test.
Usage
Meaning in Context
Business
Used only in chemical industry reports or patents.
Academic
Common in chemistry papers, polymer science, and biochemistry texts.
Everyday
Virtually never used.
Technical
Core term in organic chemistry, polymerisation, and material science.
Vocabulary
Synonyms of “diamine”
Strong
Neutral
Weak
Vocabulary
Antonyms of “diamine”
Watch out
Common Mistakes When Using “diamine”
- Misspelling as 'diamene' or 'diamin'.
- Using in non-chemical contexts.
- Confusing with 'diamine' (dye) in older textile terminology.
FAQ
Frequently Asked Questions
No, it is a specialised chemical term rarely encountered outside scientific contexts.
No, its meaning is strictly chemical. Historically, it was used in dye names (e.g., Diamine Black), but this is obsolete.
In both British and American English, it is pronounced /ˈdaɪəˌmiːn/ (DYE-uh-meen), with primary stress on the first syllable.
A diamine is the free base with two -NH2 groups. A diamine salt is formed when those groups are protonated (e.g., diamine hydrochloride).
A chemical compound containing two amino groups.
Diamine is usually technical/scientific in register.
Learning
Memory Aids
Mnemonic
DI- (two) + AMINE (nitrogen group) = a molecule with TWO amine groups.
Conceptual Metaphor
A 'double-armed' molecule (two reactive sites).
Practice
Quiz
What defines a diamine?