mainoperator
nounUK /ˌmeɪnˈɒpəreɪtə/
US /ˌmeɪnˈɑːpəreɪtər/
The main operator is the person who runs the big machine or the most important part of a job.
The main operator started the big machine at the factory.
RELATED WORDS
OTHER MEANINGS
2. In math, the main operator is the symbol that ties the whole problem together.
In the problem 3 plus 4 times 2, the main operator is the times sign.
3. In computers, the main operator is the person in charge of a big computer system.
The main operator checked the computer screens every hour.
4. The main operator can be the key person who keeps a plan working.
She was the main operator behind the school fair.