automatic control
nounUK /ˌɔːtəˈmætɪk kənˈtrəʊl/
US /ˌɔːtəˈmætɪk kənˈtroʊl/
A machine or computer that runs something by itself without a person doing it.
The automatic control keeps the room at the right temperature all day.
RELATED WORDS
OTHER MEANINGS
2. A system in engineering that makes equipment work on its own.
Engineers use automatic control to fly the plane smoothly.
3. The act of managing something without human help.
Automatic control of the lights saves electricity at night.
4. A school subject about machines that run themselves.
She studies automatic control to build smart robots.