self-contained system
nounUK /ˌself kənˈteɪnd ˈsɪstəm/
US /ˌself kənˈteɪnd ˈsɪstəm/
A self-contained system is a group of parts that works all by itself without needing help from outside.
The toy robot is a self-contained system because it has its own battery and does not need to be plugged in.
RELATED WORDS
OTHER MEANINGS
2. A computer or piece of software that has everything it needs to run on its own.
The game is a self-contained system that runs without an internet connection.
3. A living thing or machine that can survive and work without outside support.
A cactus is a self-contained system that stores water inside itself.
4. A part of a larger thing that can be separated and still work properly.
The spaceship's life-support unit is a self-contained system.