chymosin: meaning, definition, pronunciation and examples
LowTechnical/Scientific
Quick answer
What does “chymosin” mean?
An enzyme that coagulates milk, a key component of rennet used in cheese making.
Audio
Pronunciation
Definition
Meaning and Definition
An enzyme that coagulates milk, a key component of rennet used in cheese making.
A protease enzyme found in the stomachs of young ruminants; also produced recombinantly for industrial cheese production. It is specifically known as rennin or Rennet in commercial contexts.
Dialectal Variation
British vs American Usage
Differences
No significant lexical difference; the term is used identically in scientific contexts in both regions.
Connotations
None beyond its technical meaning.
Frequency
Equally rare in everyday language in both varieties, confined to specialist fields.
Grammar
How to Use “chymosin” in a Sentence
Chymosin is produced by X.X contains chymosin.Chymosin coagulates Y.Vocabulary
Collocations
Usage
Meaning in Context
Business
Used in the dairy and food additive industries regarding production methods and ingredient labelling.
Academic
Used in biochemistry, biotechnology, and food science papers and textbooks.
Everyday
Virtually never used in everyday conversation.
Technical
The primary context; used in specifications for cheese-making processes, enzyme engineering, and product formulation.
Vocabulary
Synonyms of “chymosin”
Strong
Neutral
Weak
Vocabulary
Antonyms of “chymosin”
Watch out
Common Mistakes When Using “chymosin”
- Pronouncing it as /tʃɪməʊsɪn/ (starting with 'ch' as in 'cheese').
- Using it as a general term for any cheese-making ingredient.
FAQ
Frequently Asked Questions
Not exactly. Rennet is a complex preparation, often from animal stomachs, which contains chymosin as its key active enzyme. Chymosin is the specific enzyme itself.
It depends. Traditional chymosin is animal-derived. However, most modern cheese uses 'microbial rennet' or 'fermentation-produced chymosin' (FPC), which is made by genetically modified microorganisms and is considered vegetarian.
It causes milk to separate into solid curds and liquid whey, which is the essential first step in producing most types of cheese.
Yes, it is Generally Recognized As Safe (GRAS) by food safety authorities worldwide. It is a natural digestive enzyme and is used in minute quantities, most of which is degraded during cheese aging.
An enzyme that coagulates milk, a key component of rennet used in cheese making.
Chymosin is usually technical/scientific in register.
Chymosin: in British English it is pronounced /ˈkaɪ.mə.sɪn/, and in American English it is pronounced /ˈkaɪ.mə.sɪn/. Tap the audio buttons above to hear it.
Learning
Memory Aids
Mnemonic
Think: 'Chyme' (partly digested food in the stomach) + 'sin' (as in enzyme). The enzyme that works on chyme, specifically for milk.
Conceptual Metaphor
A KEY that unlocks the solidification of milk proteins.
Practice
Quiz
What is the primary function of chymosin?