| Subject | English | Portuguese |
| met., el. | a specified period comprising a time during which an arc runs continuously plus an off time | ciclo convencional de soldadura |
| IT | run time | tempo de execução |
| IT | run time | duração de execução |
| comp., MS | run time | tempo de execução (The time during which an application is running. During run time, you can interact with an application) |
| transp. | run-down time | tempo de desestabilização |
| mech.eng. | run-down time | período de paragem do motor |
| gen. | run-down time | duração da redução de potência |
| comp., MS, Braz. | run-time | em tempo de execução (Occurring after a program has begun to be executed, such as evaluation of variable expressions and dynamic allocation of memory) |
| comp., MS | run-time error | erro em tempo de execução (A software error that occurs while a program is being executed, as detected by a compiler or other supervisory program) |
| comp., MS, Braz. | run-time library | biblioteca em tempo de execução (A file that contains one or more prewritten routines to perform specific, commonly used functions. Programmers use an RTL primarily in high-level languages such as C to avoid rewriting these routines) |
| transp., tech. | run-up time | tempo de estabilização |
| commun. | run-up time | tempo de entrada em funcionamento |
| law | the service of a judicial document causes time to begin to run | a notificação de um ato judicial faz correr os prazos |
| law | the time within which an action must be brought shall run only from the date of this publication | os prazos para introdução de recursos só começam a correr a partir desta data |