Standard Lemma guide

epitrochoid

noun · 1 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.

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Pronunciation

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1

noun

Meaning 1

A geometric curve traced by a fixed point on one circle which rotates around the perimeter of another circle. Examples include the shape of the Wankel engine

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

From epi- + trochoid.

Across languages

Translations

22 source translations are retained for this English entry.

  • Afrikaans: epitrogoïed — geometric curve
  • Bulgarian: епитрохо́ида (epitrohóida) — geometric curve
  • Catalan: epitrocoide — geometric curve
  • Chinese Mandarin: 外旋輪線 /外旋轮线 (wàixuánlúnxiàn) — geometric curve
  • Czech: epitrochoida — geometric curve
  • Dutch: epitrochoïde — geometric curve
  • Finnish: epitrokoidi — geometric curve
  • French: épitrochoïde — geometric curve
  • German: Epitrochoide — geometric curve
  • Greek: επιτροχοειδής (epitrochoeidís) — geometric curve
  • Hebrew: אפיטרוכואיד — geometric curve
  • Italian: epitrocoide — geometric curve
  • Japanese: 外トロコイド (gai torokoido) — geometric curve
  • Polish: epitrochoida — geometric curve
  • Portuguese: epitrocoide — geometric curve
  • Romanian: epitrohoidă — geometric curve
  • Russian: эпитрохо́ида (epitroxóida) — geometric curve
  • Slovene: epitrohida — geometric curve
  • Spanish: epitrocoide — geometric curve
  • Thai: เอพิโทรคอยด์ (aypítohkoi) — geometric curve
  • Ukrainian: епітрохо́їда (epitroxójida) — geometric curve
  • Vietnamese: êpitrocoit — geometric curve