rolling introduction

rolling + introduction

rolling introduction (plural rolling introductions)

1. A rollout staggered in time and space.
   • 1972, Department of Transportation and Related Agencies Appropriations for 1973, United States Government Printing Office, page 431:

     But if that costs three quarters of a billion dollars or billion and a half dollars and you look around for the next one you are not going to do them all at once. I wouldn't say tracked air cushion vehicles will be in widespread use before the year 2000. It would be a rolling introduction, if you understand what I mean.

   • 2008, Paul Addison, Harriet Jones, editors, A Companion to Contemporary Britain, John Wiley & Sons, →ISBN:

     The Conservatives ... had introduced regionalized government executive offices in 1993 on the continental pattern, and John Prescott ... had promised a rolling introduction of regional assemblies along Welsh lines.

   • 2009, Dennis Kundisch, Daniel J. Veit, Tim Weitzel, Christoph Weinhardt, editors, Enterprise Applications and Services in the Finance Industry, Springer, →ISBN:

     Through the rolling introduction of the NYSE Hybrid Market the event dates in our analysis are scattered over almost four months.