Emitter Meaning in English
word
Definition
A device or material that gives off light, sound, heat, or another form of energy. In electronics, it can also refer to the part of a transistor where current comes out.
Usage & Nuances
Common in technical, scientific, and electronics contexts—rare in everyday conversation. Can refer to anything that emits, but often used for 'LED emitter', 'sound emitter', or in semiconductor technology. Not to be confused with 'transmitter', which usually refers to devices sending signals over distance.
Example Sentences
The LED emitter lights up when you press the button.
basic
A radio emitter sends out signals to nearby devices.
basic
In a transistor, the emitter is the part where the current leaves the component.
natural
Smoke acts as an emitter of light in this experiment.
basic
The new smartphone uses an infrared emitter for facial recognition.
natural
Make sure the emitter and receiver are lined up for the sensor to work.
natural