controlledmodel
nounUK /kənˈtrəʊld ˈmɒdəl/
US /kənˈtroʊld ˈmɑːdəl/
A model that someone watches over and guides to keep it doing the right thing.
The teacher showed us a controlled model of a volcano that only erupted when she pressed the button.
RELATED WORDS
OTHER MEANINGS
2. A computer program that is carefully watched and adjusted by people while it runs.
The engineers used a controlled model to test the new traffic lights safely.
3. A small copy of a real thing that is kept within safe limits during an experiment.
In science class, the controlled model of the river showed how dams change the water flow.
4. A person or thing used as a perfect example that is kept in check by rules.
The robot served as a controlled model for how the factory machines should move.