Phrase guide

plane geometry

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 study of figures having parts that lie in a singular plane.

Definition source: English Wiktionary via Wiktextract

Usage: uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

the geometry of 2-dimensional figures

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: geometry

History

Etymology

No etymology was provided for this word.

Across languages

Translations

6 source translations are retained for this English entry.

  • Chinese Mandarin: 平面幾何 /平面几何 (píngmiàn jǐhé) — study of figures having parts that lie in a singular plane
  • Finnish: tasogeometria — study of figures having parts that lie in a singular plane
  • French: géométrie plane — study of figures having parts that lie in a singular plane
  • Greek: επίπεδη γεωμετρία (epípedi geometría) — study of figures having parts that lie in a singular plane
  • Romanian: geometrie plană — study of figures having parts that lie in a singular plane
  • Spanish: geometría plana — study of figures having parts that lie in a singular plane