noun
virtual storage
Computing term for storage that appears to be directly accessible but is actually mapped to physical storage by the operating system.
仮想記憶装置を使うと、物理メモリ以上の容量を扱える。
Using virtual storage allows handling more capacity than physical memory.
Compound of 仮想 (virtual) + 記憶 (memory/storage) + 装置 (device).