isometry
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English
Etymology
From New Latin isometria, from Ancient Greek ἰσομετρία (isometría), from ἰσο- (iso-) + -μετρία (-metría), from ἴσος (ísos, “equal”) and μέτρον (métron, “measurement”) + -ια (-ia, “-y”). Equivalent to iso- + -metry.
Noun
isometry (plural isometries)
- (mathematics) A function between metric spaces (or on a single metric space) having the property that the distance between two images is equal to the distance between their preimages.
- Isometry is to metric spaces what isomorphism is to groups.
Derived terms
Related terms
Translations
A function