follow Dictionary.com

Get the details behind our redesign

emitter

[ih-mit-er] /ɪˈmɪt ər/
noun
1.
a person or thing that emits.
2.
Electronics. an electrode on a transistor from which a flow of electrons or holes enters the region between the electrodes.
Origin
1880-1885
1880-85; emit + -er1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
Cite This Source
Examples for emitter
  • In particle motion the traveling particle requires no medium, and its speed is fixed relative to its emitter.
  • But even for a beta emitter, tritium is extremely low energy.
  • German researchers have identified a previously unknown emitter of methane, a potent greenhouse gas.
  • Applying a voltage to the base permits the flow of current from emitter to collector.
  • German researchers identify a previously unknown emitter of methane.
  • Without any need for an emitter, a receiver could be designed to take pictures in the terahertz range.
  • These fast moving sprites should fly out from the center of the overall emitter.
  • Some previous efforts tried packing a microwave emitter into a bomb or missile.
  • The reflected light carries energy that helps keep the emitter hot, reducing the amount of fuel needed.
  • Silvery tungsten is not an efficient optical emitter.
British Dictionary definitions for emitter

emitter

/ɪˈmɪtə/
noun
1.
a person or thing that emits
2.
a radioactive substance that emits radiation a beta emitter
3.
the region in a transistor in which the charge-carrying holes or electrons originate
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of The Day

Difficulty index for emitter

Some English speakers likely know this word

Word Value for emitter

9
10
Scrabble Words With Friends