runtime

noun

UK /ˈrʌn.taɪm/

US /ˈrʌn.taɪm/

The time when a computer program is actually working and doing its job.

The app crashed at runtime because of a small bug.

SYNONYMS

execution time execution phase operation time run phase

RELATED WORDS

compile time program software execution debugging

OTHER MEANINGS

2. The environment or system in which a program runs, including the software that supports it.

You need to install the Java runtime before the game will start.

3. The length of time something takes to run or operate.

The runtime of the whole test was about ten minutes.

4. The period during which a machine or process is actively operating.

Engineers monitored the motor's runtime to check for overheating.