virtualizationnoun [ U ]
specialized UK usually virtualisation uk/ˌvɜː.tʃu.ə.laɪˈzeɪ.ʃən//ˌvɝː.tʃu.ə.laɪˈzeɪ.ʃən/the process of changing something that exists in a real form into a virtual version (= one that is created using a computer):
He had published an article on the virtualization of everyday life.
the process of creating a virtual version or several virtual versions of a piece of computer equipment or software:
server, desktop, and network virtualization
Rather than having dozens of servers operating at less than their maximum level of utilization, data centers can use virtualization to consolidate those same machines' functions on just a few computers.