Meaning A class of functions whose each element of codomain is mapped to by at least one element of the domain, i.e. the image and the codomain of the function are equal.
Example
Synonyms Surjective function, onto mapping, onto
Similar words Surjective adjective /səː'dʒɛktɪv/ listen
Etymology The term introduced by Nicolas Bourbaki. The prefix sur- means over, above.