map vs onto function

onto function vs map

map and onto function both are nouns.

map is a verb but onto function is not a verb.

Word	Noun	Adjective	Verb	Adverb
map	Yes	No	Yes	No
onto function	Yes	No	No	No

As nouns, onto function is a hyponym of map; that is, onto function is a word with a more specific, narrower meaning than map:

map: (mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)
onto function: a mathematical function that is an onto mapping.

Other hyponyms of map include multinomial, polynomial, expansion, inverse function, Kronecker delta, metric, metric function, transformation, isometry, operator, circular function, trigonometric function, threshold function, exponential, exponential function, linear function, surjection, surjective function, homothecy, homothety.

map (noun)	onto function (noun)
a diagrammatic representation of the earth's surface (or part of it)	a mathematical function that is an onto mapping.
(mathematics) a mathematical relation such that each element of a given set (the domain of the function) is associated with an element of another set (the range of the function)

map (verb)	onto function (verb)
to establish a mapping (of mathematical elements or sets)
explore or survey for the purpose of making a map
make a map of; show or establish the features of details of
depict as if on a map
plan, delineate, or arrange in detail
locate within a specific region of a chromosome in relation to known DNA or gene sequences

Difference between map and onto function

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