[n] the maximum production possible; "the plant is working at 80 per cent capacity"
[n] a specified function; "he was employed in the capacity of director"; "he should be retained in his present capacity at a higher salary"
[n] tolerance for alcohol; "he had drunk beyond his capacity"
[n] ability to perform or produce
[n] the power to learn or retain knowledge; in law, the ability to understand the facts and significance of your behavior
[n] an electrical phenomenon whereby an electric charge is stored
[n] (computer science) the amount of information (in bytes) that can be stored on a disk drive; "the capacity of a hard disk drive is usually expressed in megabytes"
[n] the amount that can be contained; "the gas tank has a capacity of 12 gallons"
[n] the susceptibility of something to a particular treatment; "the capability of a metal to be fused"