virtual memory

/ vûr′cho̅o̅-əl /

1. A memory management system in a computer that temporarily stores inactive parts of the content RAM on a disk, restoring it to RAM when quick access to it is needed. This allows software to operate as though the computer has more RAM than it actually does.

Example Sentences

On a whim, or out of extreme fear of a bad word, entire sites disappear down the virtual-memory hole.

From The Daily Beast