emitter
Emitter (noun) means a device or thing that gives off something, such as light, heat, or a signal. Example: “An infrared emitter in the remote control sends signals to the TV.”
How to use emitter
Learner’s notesIn plain EnglishSomething that sends out or releases a substance, energy, or signal.
Word forms
- Plural
- emitters
Fill the gap
Can you complete this real example?
An infrared _____ in the remote control sends signals to the TV.
Etymology
From emit + the agent suffix -er, meaning "one that emits."