Meanings
Synonyms & antonyms
nounSynonym of surjection.
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nouna mathematical function that is an onto mapping.
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Synonym sets from Open English WordNet, CC BY 4.0.
Cite this entry
APA
onto function. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/onto%20function
MLA
“onto function.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/onto%20function. Accessed November 2, 2026.
Chicago
WatkinsX Dictionary, s.v. “onto function,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/onto%20function.
Source: onto function on Wiktionary, CC BY-SA 4.0.