operator
/ɒpəˈreɪtər/Definitions
1. noun
A person or entity that controls or manages a system, machine, or process, such as a telephone exchange operator.
“The airline operator was responsible for ensuring the safety of all passengers on board.”
2. noun
An employee who interacts with customers in a business, such as a bank teller or a shop assistant.
“The retail operator helped the customer find the item they were looking for.”
3. verb
To work or manage something, especially a business or system.
“She operated the factory for over 20 years before retiring.”
4. verb
To perform a specific function or set of functions, especially in a machine or computer.
“The software operated in the background, updating the user’s information.”
5. noun
A mathematical function or symbol, especially one representing an operator in algebra or calculus.
“The operator in the equation was used to find the derivative of the function.”