Standard Lemma guide

hypotrochoid

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.

Sound

Pronunciation

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  • UK: /ˌhaɪ.pə(ʊ)ˈtɹəʊ.kɔɪd/
  • US: /ˌhaɪ.poʊˈtɹoʊ.kɔɪd/
  • US: /ˌhaɪ.pəˈtɹoʊ.kɔɪd/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

A geometric curve traced by a fixed point on the radius line outside one circle which rotates inside the perimeter of another circle.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Etymology tree Proto-Indo-European *upó Ancient Greek ῠ̔πό (hŭpó) Ancient Greek ὑπο- (hupo-)der. English hypo- English trochoid English hypotrochoid From hypo- + trochoid.

Across languages

Translations

17 source translations are retained for this English entry.

  • Afrikaans: hipotrogoïed — geometric curve
  • Bulgarian: хипотрохоида (hipotrohoida) — geometric curve
  • Chinese Mandarin: 内旋轮线 — geometric curve
  • Czech: hypotrochoida — geometric curve
  • Dutch: hypotrochoïde — geometric curve
  • Finnish: hypotrokoidi — geometric curve
  • French: hypotrochoïde — geometric curve
  • Irish: hipeatrocóideach — geometric curve
  • Italian: ipotrocoide — geometric curve
  • Norwegian: hypotrokoide — geometric curve
  • Polish: hipotrochoida — geometric curve
  • Portuguese: hipotrocoide — geometric curve
  • Romanian: hipotrohoidă — geometric curve
  • Russian: гипотрохоида (gipotroxoida) — geometric curve
  • Spanish: hipotrocoide — geometric curve
  • Tamil: கணிதம். உட்சில்லுரு (kaṇitam. uṭcilluru) — geometric curve
  • Vietnamese: nội trocoit — geometric curve