noun
emitter
uh-mih-tuh
noun
1
A device or thing that gives off something, such as light, heat, or a signal.
"An infrared emitter in the remote control sends signals to the TV."
2
In electronics, one of the three terminals of a bipolar transistor.
"Current flows from the emitter to the collector when the transistor is switched on."
How to Use Emitter
Learner’s notesIn plain EnglishSomething that sends out or releases a substance, energy, or signal.
Common pairings
light emitter
heat emitter
transistor emitter
Word Forms
emitters plural
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An infrared _____ in the remote control sends signals to the TV.
Etymology
From emit + the agent suffix -er, meaning "one that emits."