emitter

[ ih-mit-er ]

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 of emitter

1
First recorded in 1880–85; emit + -er1

Words Nearby emitter

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

How to use emitter in a sentence

  • Brazil is the fourth-largest greenhouse-gas emitter in the world, largely due to the deforestation of the Amazon.

    The Climate Showdown | The Daily Beast | December 4, 2009 | THE DAILY BEAST
  • After all, as the leading emitter of greenhouse gases in the industrialized world, any agreement is meaningless without it.

    Europe's Continent Envy | Alex Massie | November 11, 2009 | THE DAILY BEAST
  • One such reaction uses alpha particles emitted by polonium-210 (or some other alpha emitter) to bombard the element beryllium.

    The Atomic Fingerprint | Bernard Keisch
  • Naturally, your lab and the machine were heavily shielded, but even so, a radio emitter next door would be bound to throw you off.

    Sentiment, Inc. | Poul William Anderson
  • As an emitter he was only fair, but he was the best behoover I ever saw anywhere.

    Europe Revised | Irvin S. Cobb
  • It is a powerful emitter of dark rays; it is also a powerful absorber.

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

  1. 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