Churn may refer to:

Dairy-product terms

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Geography

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Music

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Computing

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  • DHCP churn or IP churn in a computer network is the rate at which hosts change IP addresses.

Business

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  • Product churning, a business practice whereby more of the product is sold than is beneficial to the consumer
  • Churning (finance), the excessive buying and selling of a client's stocks by a trader to generate large commission fees
  • Churn rate, a measure of the number of individuals or items moving into or out of a collective over a specific period of time.

Other

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  • Churn drill, large-diameter drilling machine large holes appropriate for holes in the ground
  • Chuck Churn (born 1930), Major League Baseball pitcher in 1957–1959
  • Churning (cipher), an encryption function used in the ITU G.983.1 standard