English Explanatory Dictionary

director circle

English dictionary entry

Meanings

noun
  1. A circle formed by all 90° crossings of tangents of an ellipse or hyperbola.

Pronunciation

dĭ-rĕk′tər sûr′kəl dī- /dɪˌɹɛk.tə ˈsɜː.kəl/ /dɪˌɹek.tə ˈsɜː.kəl/ /daɪ̯-/ /dʌɪ̯-/ LL-Q1860 (eng)-Vealhurl-director circle.wav /dɪˌɹɛk.təɹ ˈsɜɹ.kəl/ /dɑe̯-/ /dəˌɹek.tə ˈsøː.kəl/ /dɪˌɹɛk.təɾ ˈsɪɾ.kəl/ /dɪˌɹɛk.təɾ ˈsɪɾ.kʌl/ /dʌi̯-/ /dəi̯-/ /ɖɪˌɾɛ(ː)k.ʈɜː(ɾ)ˈsɜː(ɾ).kel/ /-ʈəɾ-/ /-ˈsəɾ-/ /ɖəj-/ /ɖɑːj-/

Word forms

director circle director circles

Synonyms

Fermat-Apollonius circle orthoptic circle

Related words

director conic
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