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English definition of “roll-out”

roll-out

noun [C or U] ( also rollout)
 
 
( also rolling launch) MARKETING
an occasion when a new product or service is gradually made available to more people after it has first been tested in a particular area: rollout of sth Rollout of the new technology has been slow. a product rollout
(Definition of roll-out noun from the Cambridge Business English Dictionary © Cambridge University Press)
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