isometry

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noun

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.”

OriginNew Latin isometria ← Ancient Greek ἰσομετρία →
UncommonScrabble 13
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Meanings

nounisometry (plural isometries)

plural isometries

  1. mathematicsA 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.

Origin

  1. Ancient Greekἰσομετρία
  2. New Latinisometria
  3. Englishisometry

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.

More words from New Latin, Ancient Greek

Full word history & related roots →

Translations

Catalan isometria
  • isometriaA function
Dutch isometrie
  • isometrieA function
Finnish isometria
  • isometriaA function
French isométrie
  • isométrieA function
German Isometrie
  • IsometrieA function
Hebrew איזומטריה
  • איזומטריה (izométria)A function
Hungarian egybevágósági transzformáció
  • egybevágósági transzformációA function
Italian isometria
  • isometriaA function
Latin isometria
  • isometriaA function
Portuguese isometria
  • isometriaA function
Spanish isometría
  • isometríaA function
Swedish isometri
  • isometriA function

Rhymes & wordplay

Anagrams

merosity
Cite this entry
APA

isometry. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/isometry

MLA

“isometry.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/isometry. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “isometry,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/isometry.

Source: isometry on Wiktionary, CC BY-SA 4.0.