1. a device that sends out radio, television, or other electronic signals
2. a person or thing that passes something from one place or person to another

Examples

• The radio transmitter broadcasts signals across the entire city.
• Scientists installed a powerful transmitter on the satellite.
• The television transmitter was damaged during the storm.
• Mosquitoes are transmitters of malaria and other diseases.
• The cell phone tower has multiple transmitters for different carriers.
• She works as a transmitter of cultural knowledge to younger generations.
• The GPS transmitter in the car helps track its location.