runtime

noun

• 1the time that a film or DVD lasts:a thriller that is so well paced it seems a lot shorter than its three-hour runtime

• 2 Computing the length of time a program takes to run.
• the time at or during which a program is run.
• a cut-down version of a program that can be run but not changed: you can distribute the runtime to your colleagues

adjective

• (of software) in a reduced version that can be run but not changed.