Phrase guide

Fermat-Apollonius circle

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

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • fĕr-mä′ ă′pə-lō′nē-əs sûr′kəl
  • Received-Pronunciation: /fɛɹˌmɑː ˌæ.pəˌləʊ̯.niː.əs ˈsɜː.kəl/
  • Received-Pronunciation: /feɹ-/
  • Received-Pronunciation: /ˌa-/
  • Canada, General-American: /fɛɹˌmɑ ˌæ.pəˌloʊ̯.ni.əs ˈsɜɹ.kəl/
  • Canada, General-American, also: /fɛɹˌmɒ ˌæ.pəˌloʊ̯.ni.əs ˈsɜɹ.kəl/
  • Australian: /feɹˌmɐː ˌæ.pəˌləʉ̯.niː.əs ˈsɜː.kəl/
  • Australian: /feɹˌmɐː ˌæ.pəˌlɐʉ̯.niː.əs ˈsɜː.kəl/
  • New-Zealand: /feɹˌmɐː ˌɛ.pəˌlɐʉ̯.niː.əs ˈsøː.kəl/
  • Scotland: /fɛɹˌma ˌa.pəˌlo.ni.əs ˈsɪɾ.kəl/
  • Scotland: /fɛɹˌma ˌa.pʌˌlo.ni.ʌs ˈsɪɾ.kʌl/
  • India: /fɛ(ː)ɾˌmɑː ˌa(ː).poˌloː.niː.us ˈsɜː(ɾ).kel/
  • India: /fɛ(ː)ɾˌmɑː ˌa(ː).poˌloː.niː.us ˈsəɾ.kel/

1

noun

Meaning 1

Synonym of director circle.

Definition source: English Wiktionary via Wiktextract

Topics: geometry, mathematics, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: director circle

Antonyms: none provided

History

Etymology

Named after French mathematician and lawyer Pierre de Fermat (1601–1665) and named after ancient Greek geometer and astronomer Apollonius of Perga (c. 240 BCE–c. 190 BCE).

Across languages

Translations

1 source translations are retained for this English entry.

  • Spanish: círculo Fermat-Apollonius — director circle — see also director circle