Definition of operator
3a : something and especially a symbol that denotes or performs a mathematical or logical operationb : a mathematical function
4 : a binding site in a DNA chain at which a genetic repressor binds to inhibit the initiation of transcription of messenger RNA by one or more nearby structural genes —called also operator gene — compare operon
Examples of operator in a sentence
the operator of an automobile
the operator of a nuclear power plant
Call the operator for the phone number.
Operator, please connect me with extension 123.
She's quite an operator—no one else could have gotten them all to agree to the project.
First Known Use of operator
OPERATOR Defined for English Language Learners
Definition of operator for English Language Learners
: a person who uses and controls something (such as a machine, device, or business) : someone who operates something
: a person whose job is to help to connect telephone calls : a person who is in charge of a telephone switchboard
: a person who is able to easily achieve things especially by persuading people or by being dishonest
OPERATOR Defined for Kids
Definition of operator for Students
1 : a person who manages or controls something <a plow operator>
2 : a person in charge of a telephone switchboard
3 : a person who is skillful at achieving things by persuasion or deception
Medical Definition of operator
Seen and Heard
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