sur·​jec·​tion (ˌ)sər-ˈjek-shən How to pronounce surjection (audio)
: a mathematical function that is an onto mapping compare bijection, injection sense 3

Word History


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

First Known Use

1964, in the meaning defined above

Time Traveler
The first known use of surjection was in 1964

Dictionary Entries Near surjection

Cite this Entry

“Surjection.” Dictionary, Merriam-Webster, Accessed 3 Mar. 2024.

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