emitter
/ɪˈmɪtər/
noun
- A device or object that sends out something such as light, sound, heat, or signals.
- The smoke detector contains a sound emitter that alerts people in an emergency.
- The remote control uses an infrared emitter to send commands to the TV.
- A light-emitting diode is a small emitter of bright light used in many electronics.
- A person, company, or country that releases something, especially gases or pollution, into the environment.
- China is the world's largest emitter of carbon dioxide from burning coal.
- Each car on the road is an emitter of exhaust fumes that affect air quality.
- The factory was fined for being a major emitter of harmful chemicals into the river.
- In physics, a source that releases particles or radiation, such as radioactive decay.
- The lab uses a neutron emitter to study the structure of materials.
- A beta emitter can be dangerous if its radiation is not properly shielded.
- Uranium is a natural emitter of alpha particles.
Synonyms