Pronunciation: (rē'ul, rēl),[key] 1. Computers.the actual time elapsed in the performance of a computation by a computer, the result of the computation being required for the continuation of a physical process.
2. the actual time during which a process takes place or an event occurs.
3. in real time,Informal.at once; instantaneously.
Pronunciation: (rē'ul-tīm', rēl'-),[key] —adj.Computers. of or pertaining to applications in which the computer must respond as rapidly as required by the user or necessitated by the process being controlled.