Bell's theorem


Definition of Bell's theorem

: a theorem in quantum physics: two particles that have interacted will continue to influence each other instantaneously following separation

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 Bell's theorem

1973, in the meaning defined above

History and Etymology for Bell's theorem

after John Stewart Bell †1990 Irish physicist

Keep scrolling for more

Learn More About Bell's theorem

Time Traveler for Bell's theorem

Time Traveler

The first known use of Bell's theorem was in 1973

See more words from the same year

Dictionary Entries Near Bell's theorem

Bell's palsy

Bell's theorem

Bell's vireo

See More Nearby Entries 

Statistics for Bell's theorem

Cite this Entry

“Bell's theorem.” Dictionary, Merriam-Webster, Accessed 19 Sep. 2021.

Style: MLA
MLACheck Mark Icon ChicagoCheck Mark Icon APACheck Mark Icon Merriam-WebsterCheck Mark Icon


Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Universal Daily Crossword

A daily challenge for crossword fanatics.

Love words? Need even more definitions?

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