Free space (disambiguation)

This disambiguation page lists articles associated with the same or a similar title.

•  Free space (electromagnetism): In classical electromagnetism, the vacuum reference state with no fields or particles; in quantum mechanics, the vacuum state with electromagnetic fields fluctuating about an average value of zero. ^[e]
• Free space (computers): In managing memory (computers), the amount or fraction of the total usable space still available for allocation ^[e]
• Free space (hydraulics): The volume not occupied by a piston in a cylinder ^[e]