single-valued function vs isometry

isometry vs single-valued function

single-valued function and isometry both are nouns.

Word	Noun	Adjective	Verb	Adverb
single-valued function	Yes	No	No	No
isometry	Yes	No	No	No

As nouns, isometry is a hyponym of single-valued function; that is, isometry is a word with a more specific, narrower meaning than single-valued function:

single-valued function: (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)
isometry: a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points

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

single-valued function (noun)	isometry (noun)
(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)	equality of measure (e.g., equality of height above sea level or equality of loudness etc.)
	equality of elevation above sea level
	a one-to-one mapping of one metric space into another metric space that preserves the distances between each pair of points
	the growth rates in different parts of a growing organism are the same

Difference between single-valued function and isometry

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