guanidine: meaning, definition, pronunciation and examples
C2Technical/Scientific
Quick answer
What does “guanidine” mean?
A strong organic base, derived from guanine, with the chemical formula (NH₂)₂C=NH, used in biochemistry and organic synthesis.
Audio
Pronunciation
Definition
Meaning and Definition
A strong organic base, derived from guanine, with the chemical formula (NH₂)₂C=NH, used in biochemistry and organic synthesis.
A crystalline compound with strong alkaline properties. Its nitrate and other salts are used in fertilizers, explosives, and pharmaceuticals. Functionally, it's a potent denaturant of proteins and a precursor in the synthesis of many nitrogenous compounds.
Dialectal Variation
British vs American Usage
Differences
No significant differences in meaning or usage. The spelling is identical.
Connotations
None beyond its scientific definition.
Frequency
Used with equal rarity and specificity in scientific contexts in both varieties.
Grammar
How to Use “guanidine” in a Sentence
guanidine is used to VERB...the reaction of guanidine with...a solution containing XM guanidineVocabulary
Collocations
Examples
Examples of “guanidine” in a Sentence
adjective
British English
- The guanidine hydrochloride solution was prepared fresh.
- Guanidine nitrate is a high-nitrogen fertiliser component.
American English
- The guanidine hydrochloride solution was prepared fresh.
- Guanidine nitrate is a high-nitrogen fertilizer component.
Usage
Meaning in Context
Business
Extremely rare. Might appear in specifications for pharmaceutical or chemical supply.
Academic
Common in research papers, theses, and textbooks in chemistry, biochemistry, and molecular biology.
Everyday
Virtually never used.
Technical
The primary domain. Used in lab protocols, chemical safety data sheets, and synthesis descriptions.
Vocabulary
Synonyms of “guanidine”
Neutral
Weak
Watch out
Common Mistakes When Using “guanidine”
- Misspelling as 'guanine' or 'guanidin'.
- Mispronouncing the first syllable as 'gwɑːn' instead of 'ɡwɑː'.
- Using it in non-scientific contexts.
FAQ
Frequently Asked Questions
Yes. Guanidine and its salts can be irritants to the skin, eyes, and respiratory system, and require proper laboratory safety handling.
Primarily as a potent protein denaturant in biochemistry to unfold proteins for studies of their structure and stability. It's also used in some RNA isolation protocols.
Yes, it can be found naturally in small amounts in some organisms like mushrooms and turnips, but it is primarily produced synthetically for industrial and research use.
Very unlikely. You might find it as an ingredient in some pharmaceuticals (e.g., certain antivirals) or in specific industrial products, but not in common household items.
A strong organic base, derived from guanine, with the chemical formula (NH₂)₂C=NH, used in biochemistry and organic synthesis.
Guanidine is usually technical/scientific in register.
Guanidine: in British English it is pronounced /ˈɡwɑː.nɪ.diːn/, and in American English it is pronounced /ˈɡwɑː.nə.diːn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think of 'GUANINE' (the DNA base) + '-IDE' (common chemical suffix). Guanidine is chemically related to guanine.
Conceptual Metaphor
None common. In technical explanation, might be described as a 'protein-unfolder' or a 'molecular wrench' due to its denaturing action.
Practice
Quiz
In which field is the term 'guanidine' most commonly used?