mapping vs metric function

metric function vs mapping

mapping and metric function both are nouns.

Word	Noun	Adjective	Verb	Adverb
mapping	Yes	No	No	No
metric function	Yes	No	No	No

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

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)
metric function: a function of a topological space that gives, for any two points in the space, a value equal to the distance between them

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

mapping (noun)	metric function (noun)
(genetics) the process of locating genes on a chromosome	a function of a topological space that gives, for any two points in the space, a value equal to the distance between them
the process of making maps
(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)

Difference between mapping and metric function

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