roll·out 
/ˈroʊlˌaʊt/ noun
plural roll·outs /ˈroʊlˌaʊt/ noun [count, noncount] : an occasion when a new product or service is first offered for sale or use
▪ the national rollout of a new wireless service — see also roll out at 1roll
▪ the national rollout of a new wireless service — see also roll out at 1roll
