From Wiktionary, the free dictionary

From multi- +‎ application.

multiapplication (not comparable)

1. Having several applications or uses.

   • 2003, Cristian Radu, Implementing electronic card payment systems, page 243:

     In this section we analyze some aspects of issuing multiapplication cards.

   • 2005, Glen Ballou, Handbook for sound engineers, page 1034:

     It is a flexible, multi- platform, multiapplication, multilanguage, multiuser oriented format that has been adapted to DVD, and is backward compatible to existing ISO-9660 operating system software.