surjection

noun
sur·​jec·​tion | \ (ˌ)sər-ˈjek-shən How to pronounce surjection (audio) \

Definition of surjection

: a mathematical function that is an onto mapping — compare bijection, injection sense 3

First Known Use of surjection

1964, in the meaning defined above

History and Etymology for surjection

probably from sur- + -jection (as in projection)

Learn More About surjection

Time Traveler for surjection

Time Traveler

The first known use of surjection was in 1964

See more words from the same year

Dictionary Entries Near surjection

Surinam toad

surjection

surjective

See More Nearby Entries 

Statistics for surjection

Cite this Entry

“Surjection.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/surjection. Accessed 30 Jun. 2022.

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

More from Merriam-Webster on surjection

Nglish: Translation of surjection for Spanish Speakers

WORD OF THE DAY

Test Your Vocabulary

Great Words for Scrabble

  • scrabble tiles that read scrabble quiz
  • Which of the following Q-without-U words means the number five in cards or dice?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Universal Daily Crossword

A daily challenge for crossword fanatics.

TAKE THE QUIZ
Love words? Need even more definitions?

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