field emission


Definition of field emission

: the emission of electrons from a metallic conductor due solely to the action of an electric field — compare photoemission, thermionic emission

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

First Known Use of field emission

1928, in the meaning defined above

Keep scrolling for more

Learn More about field emission

Statistics for field emission

Look-up Popularity

Time Traveler for field emission

The first known use of field emission was in 1928

See more words from the same year

Comments on field emission

What made you want to look up field emission? Please tell us where you read or heard it (including the quote, if possible).


to be made up of

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!