1. people who operate machines, equipment, or systems
2. people who work at telephone switchboards connecting calls
3. mathematical symbols that indicate operations to be performed
Usage: mathematics

Examples

• The factory operators worked in shifts around the clock.
• She called the telephone operator to place a long-distance call.
• In algebra, plus and minus are common operators.
• The crane operators needed special training for safety.
• Tour operators organized trips to popular destinations.
• Computer operators monitored the mainframe systems.
• The mathematical equation contained several operators.