If something churns water, mud, or dust, it moves it about violently. Ferries churn the waters of Howe Sound from Langdale to Horseshoe Bay. unsurfaced roads now churned into mud by the annual rains. Churn up means the same as churn. The recent rain had churned up the waterfall into a muddy whirlpool Occasionally they slap the water with their tails or churn it up in play. muddy, churned-up ground
a vessel in which cream is agitated to separate butterfat from buttermilk stir (cream) vigorously in order to make butter be agitated; "the sea was churning in the storm
the turnover of users on an online service, most often after a free trial period
Customers disconnecting from Vodafone Group's mobile telephone networks The "churn rate" is the number of customers who disconnect from a network in a given period, divided by the average number of customers in that same period
To agitate rapidly and repetitively, or to stir with a rowing or rocking motion; generally applies to liquids, notably cream
Churn refers to what happens when a user leaves a service, and "service" in this case can describe almost anything from a dialup ISP account to a listserv subscription Churn is the major concern of almost any e-business, if only because it's so hard to attract users in the first place Most sites, therefore, have tried to develop "sticky" services to keep us coming back, or encourage us to give them basic pieces of information so they can keep in touch with us