bijection
/baɪˈd͡ʒɛk.ʃən/
bijection noun: a one-to-one correspondence, a function which is both a surjection and an injection.

Noun
bijection (plural bijections)
- A one-to-one correspondence, a function which is both a surjection and an injection.
- The present text has defined a set to be finite if and only if there exists a bijection onto a natural number, and infinite if and only if there does not exist any such bijection.2002, Yves Nievergelt, Foundations of Logic and Mathematics, page 214
- Note in particular that a function is a bijection if and only if it's both an injection and a surjection.2007, C. J. Date, Logic and Databases: The Roots of Relational Theory, page 167
- Synonyms:
- bijective function, one-to-one correspondence
bijection meaning in Hindi, Tamil and Vietnamese
bijection in Hindi
- function that is both a surjection and an injection
- एकैकी आच्छादन ekaikī ācchādan
bijection in Tamil
- இருவழிக் கோப்பு
bijection in Vietnamese
- function that is both a surjection and an injection
- song ánh
Synonyms of bijection
- bijective function
- one-to-one correspondence
Forms of bijection
| plural | bijections |
|---|
Origin of bijection
PIE word *dwóh₁ From French bijection, introduced by Nicolas Bourbaki in their treatise Éléments de mathématique.
Questions about bijection
- What does bijection mean?
- Bijection means a one-to-one correspondence, a function which is both a surjection and an injection.
- What is bijection in Hindi?
- Bijection in Hindi is एकैकी आच्छादन (ekaikī ācchādan). See Bijection meaning in Hindi.
- What part of speech is bijection?
- Bijection is a noun.
- How do you pronounce bijection?
- Bijection is pronounced /baɪˈd͡ʒɛk.ʃən/.
- What is the plural of bijection?
- The plural of bijection is bijections.
Words near bijection in the dictionary
Source and license
Adapted from Wiktionary: bijection (page history and authors); bijection (Tamil Wiktionary) (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.
Last updated:
Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Vealhurl-bijection.wav.
Cite this entry: “bijection.” Word.ws, https://word.ws/bijection. Based on Wiktionary, CC BY-SA 4.0.
