bitter principle: meaning, definition, pronunciation and examples
C2/RareTechnical/Scientific (Botany, Chemistry, Pharmacology); Literary (metaphorical).
Quick answer
What does “bitter principle” mean?
A chemical compound found in plants that imparts a bitter taste, often serving as a defence mechanism against herbivores.
Audio
Pronunciation
Definition
Meaning and Definition
A chemical compound found in plants that imparts a bitter taste, often serving as a defence mechanism against herbivores.
Any substance, natural or synthetic, that is characteristically and often intensely bitter, frequently with associated physiological effects (e.g., quinine, caffeine). Can be metaphorically extended to refer to a fundamental, unpalatable truth at the core of a situation.
Dialectal Variation
British vs American Usage
Differences
No significant spelling or usage differences. The term is equally technical in both varieties.
Connotations
Neutral in technical contexts. The metaphorical use carries a slightly formal, literary connotation.
Frequency
Very low frequency in general discourse. Used almost exclusively in specialised fields. The metaphorical use is rare and stylistically marked.
Grammar
How to Use “bitter principle” in a Sentence
The bitter principle in [plant/herb] is [compound name].[Plant] owes its taste to a bitter principle called [X].Researchers isolated the bitter principle responsible.Vocabulary
Collocations
Examples
Examples of “bitter principle” in a Sentence
verb
British English
- The quinine bitter principles the tonic water.
- (No standard verb use)
American English
- The alkaloids bitter principle the plant extract.
- (No standard verb use)
adverb
British English
- (No standard adverbial use)
American English
- (No standard adverbial use)
adjective
British English
- The bitter-principle composition was analysed.
- (Highly technical adjectival compound)
American English
- They studied the bitter-principle compounds in gentian.
Usage
Meaning in Context
Business
Virtually never used.
Academic
Used in pharmacology, phytochemistry, and botany papers to describe bioactive compounds.
Everyday
Extremely rare. Might appear in sophisticated writing or discussions about food/medicine.
Technical
Standard term in relevant scientific literature for describing taste-active phytochemicals like alkaloids, glycosides.
Vocabulary
Synonyms of “bitter principle”
Strong
Neutral
Weak
Vocabulary
Antonyms of “bitter principle”
Watch out
Common Mistakes When Using “bitter principle”
- Using it as a synonym for 'bitter taste' (e.g., 'The coffee has a strong bitter principle.' – Incorrect).
- Treating it as a countable plural without a clear referent (e.g., 'It has many bitter principles.' – Awkward; better: 'It contains several bitter compounds.').
FAQ
Frequently Asked Questions
No, it is a specialised term used primarily in scientific fields like pharmacology and botany. It is very rare in everyday conversation.
Only in a deliberate, literary metaphor (e.g., 'Cynicism was the bitter principle of his worldview'). In standard usage, it refers to a chemical compound.
A 'bitter taste' is the sensory experience. A 'bitter principle' is the specific chemical substance within a plant or food that causes that bitter taste.
Yes, they are classic examples. Caffeine is a bitter principle in coffee, and quinine is the bitter principle in cinchona bark (and tonic water).
A chemical compound found in plants that imparts a bitter taste, often serving as a defence mechanism against herbivores.
Bitter principle is usually technical/scientific (botany, chemistry, pharmacology); literary (metaphorical). in register.
Bitter principle: in British English it is pronounced /ˌbɪtə ˈprɪnsɪp(ə)l/, and in American English it is pronounced /ˌbɪt̬ɚ ˈprɪnsəp(ə)l/. Tap the audio buttons above to hear it.
Phrases
Idioms & Phrases
- “[Metaphorical] To swallow the bitter principle (to accept a hard truth).”
- “[Metaphorical] The bitter principle at the heart of the matter.”
Learning
Memory Aids
Mnemonic
Think of a pill's 'active principle' – the core chemical that makes it work. A 'bitter principle' is the core chemical that makes a plant taste bitter.
Conceptual Metaphor
TRUTH/REALITY IS A SUBSTANCE; AN UNPLEASANT TRUTH IS A BITTER SUBSTANCE.
Practice
Quiz
In which context is the term 'bitter principle' most appropriately used?