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English definition of “churn”

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churn

verb uk   /tʃɜːn/ us    /tʃɝːn/

churn verb (MOVE/MIX)

[T] ( also churn up) to move something, especially a liquid, with great force: The sea was churned up by heavy winds. [T] to mix milk until it becomes butter [I] If your stomach is churning, you feel ill, usually because you are nervous: I had my driving test that morning and my stomach was churning.

churn verb (CUSTOMERS)

[I or T] specialized business If customers churn between different companies that provide a particular service, they change repeatedly from one to another.
Phrasal verbs

churn

noun uk   /tʃɜːn/ us    /tʃɝːn/

churn noun (CONTAINER)

[C] a large container for transporting milk or for making milk into butter: a milk churn a butter churn

churn noun (CUSTOMERS)

[S or U] specialized ( also churn rate) business the number of customers who decide to stop using a service offered by one company and to use another company, usually because it offers a better service or price: Internet and cable television companies suffer from a high churn rate.
(Definition of churn from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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