Standard Lemma guide

Euclidean

adj · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • Received-Pronunciation: /juːˈklɪd.i.ən/
  • Canada, General-American: /juˈklɪd.i.ən/
  • Canada, General-American: [juˈklɪɾ.i.ən]
  • US: Recorded audio is listed in the source snapshot.
  • Australian: /jʉːˈklɪd.i.ən/
  • New-Zealand: /jʉːˈkləd.i.ən/
  • rhymes with -ɪdiən

1

adj

Meaning 1

Adhering to the principles of traditional geometry, in which parallel lines are equidistant.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Of or relating to Euclid's Elements, especially to Euclidean geometry.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

adj

Meaning 3

Of or relating to Euclidean zoning.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

adj

Meaning 4

Alternative spelling of Euclidean.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative, not-comparable, rare

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

adjective

Meaning 5

relating to geometry as developed by Euclid

Definition source: Princeton WordNet 3.0

Examples

  • Euclidian geometry

Meaning relationships

Synonyms: euclidian

Antonyms: none provided

History

Etymology

Named after Euclid, who established the principles of plane geometry.

Named after the landmark U.S. Supreme Court case Village of Euclid v. Ambler Realty Co., which in turn refers to the city of Euclid, Ohio.

Across languages

Translations

33 source translations are retained for this English entry.

  • Bengali: ইউক্লিডীয় (iukliḍiẏo) — of traditional geometry
  • Catalan: euclidià — of traditional geometry
  • Czech: euklidovský — of traditional geometry
  • Danish: euklidisk — of traditional geometry
  • Dutch: euclidisch — of traditional geometry
  • Finnish: euklidinen — of traditional geometry
  • French: euclidien — of traditional geometry
  • German: euklidisch — of traditional geometry
  • Hungarian: euklideszi — of traditional geometry
  • Ido: Euklidala — of traditional geometry
  • Italian: euclideo — of traditional geometry
  • Norwegian Bokmål: euklidsk — of traditional geometry
  • Norwegian Bokmål: evklidsk — of traditional geometry
  • Norwegian Nynorsk: euklidsk — of traditional geometry
  • Norwegian Nynorsk: evklidsk — of traditional geometry
  • Persian: اقلیدسی — of traditional geometry
  • Polish: euklidesowy — of traditional geometry
  • Portuguese: euclidiano — of traditional geometry
  • Russian: евкли́дов (jevklídov) — of traditional geometry
  • Spanish: euclidiano — of traditional geometry
  • Spanish: euclídeo — of traditional geometry
  • Swedish: euklidisk — of traditional geometry
  • Welsh: Ewclidaidd — of traditional geometry
  • Catalan: euclidià — of Euclid's Elements
  • Finnish: euklidinen — of Euclid's Elements
  • French: euclidien — of Euclid's Elements
  • Hebrew: אוקלידי (uklídi) — of Euclid's Elements
  • Ido: Euklidala — of Euclid's Elements
  • Italian: euclideo — of Euclid's Elements
  • Polish: euklidesowy — of Euclid's Elements
  • Spanish: euclídeo — of Euclid's Elements
  • Spanish: euclidiano — of Euclid's Elements
  • Swedish: euklidisk — of Euclid's Elements
Real reading context

Euclidean in complete knowledge articles