rennet

/ˈrɛnɪt/
noun
  1. A substance used to curdle milk, especially in making cheese.
    • Most traditional cheeses rely on animal rennet, but some use plant-based alternatives.
    • The cheesemaker added rennet to the warm milk to start the curdling process.
    • Without rennet, the milk would not separate into curds and whey.
Synonyms
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