the quality of being capable; capacity; ability: His capability was unquestionable.
2.
the ability to undergo or be affected by a given treatment or action: the capability of glass in resisting heat.
3.
Usually, capabilities.qualities, abilities, features, etc., that can be used or developed; potential: Though dilapidated, the house has great capabilities.
operating system, security An operating system security or access control model where specific types of access to a specific object are granted by giving a process this data structure or token. The token may be unforgeable (typically by using encryption or hardware "tagged" memory). Capabilities are used in OSes such as Hydra, KeyKOS, EROS, Chorus/Mix, and the Stanford V system. Similar to Kerberos, but in an OS context. Compare access control list. (1998-03-08)