Standard Lemma guide

coplanarity

noun · 2 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

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1

noun

Meaning 1

The state or characteristic of being within the same plane.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Qualifier: usually lines

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The state or characteristic of orbiting a central celestial object within the same orbital plane.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: astronomy, natural-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *ḱe? Proto-Indo-European *ḱóm Proto-Italic *kom Proto-Italic *kom- Latin con- Latin co-der. English co- English planar English coplanar Proto-Indo-European *-teh2 Proto-Indo-European *-ts Proto-Indo-European *-teh2ts Latin -itāsder. Old French -itebor. Middle English -ite English -ity English coplanarity From coplanar + -ity.

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 共面 (gòngmiàn) — state or characteristic of being within the same plane
  • Finnish: koplanaarisuus — state or characteristic of being within the same plane
  • Finnish: samantasoisuus — state or characteristic of being within the same plane
  • French: coplanarité — state or characteristic of being within the same plane
  • Japanese: 共面 (kyōmen) — state or characteristic of being within the same plane
  • Polish: współpłaszczyznowość — state or characteristic of being within the same plane