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protease Line breaks: pro¦te|ase
Pronunciation: /ˈprəʊtɪeɪz/

Definition of protease in English:


An enzyme which 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.

Definition of protease in:
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