Definition of protease in English:

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Pronunciation: /ˈprōdēˌāz/ Pronunciation: /ˈprōdēˌās/


An enzyme that breaks down proteins and peptides.
Example sentences
  • Whey contains many types of enzymes, including hydrolases, transferases, lyases, proteases, and lipases.
  • Although starches and fats can be broken down without pancreatic enzymes, pancreatic proteases are crucial for protein digestion.
  • All of the serine proteases and the zinc peptidases of pancreatic secretions are produced in the form of their respective proenzymes.


Early 20th century: from protein + -ase.

For editors and proofreaders

Syllabification: pro·te·ase

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