virtual address

1. A memory location accessed by an {application program} in a

system with {virtual memory} such that intervening hardware

and/or software maps the virtual address to real ({physical})

memory. During the course of execution of an application, the

same virtual address may be mapped to many different {physical

address}es as data and programs are {paged out} and {paged in}

to other locations.

2. ({IBM}'s {VM} {operating system}), {Virtual Device

Location}.