Phrase guide

plane angle

noun · 3 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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No pronunciation record was provided for this word.

1

noun

Meaning 1

An angle formed by two intersecting straight lines.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

an angle formed by two straight lines (in the same plane)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: angle

History

Etymology

No etymology was provided for this word.

Across languages

Translations

8 source translations are retained for this English entry.

  • Czech: rovinný úhel — angle formed by two intersecting straight lines
  • Finnish: tasokulma — angle formed by two intersecting straight lines
  • French: angle plan — angle formed by two intersecting straight lines
  • Hungarian: síkszög — angle formed by two intersecting straight lines
  • Japanese: 平面角 (heimenkaku) — angle formed by two intersecting straight lines
  • Malay: sudut satah — angle formed by two intersecting straight lines
  • Polish: kąt płaski — angle formed by two intersecting straight lines
  • Russian: пло́ский у́гол (plóskij úgol) — angle formed by two intersecting straight lines