orthoptic circleとは意味・読み方・使い方

enPR: ôr-thŏp′tĭk sûr′kəl
(Received Pronunciation) IPA: /ɔːˌθɒp.tɪk ˈsɜː.kəl/
(General American) IPA: (without the cot–caught merger) /oɹˌθɔp.tɪk ˈsɜɹ.kəl/, (cot–caught merger) /oɹˌθɑp.tɪk ˈsɜɹ.kəl/
(Canada) IPA: (standard) /oɹˌθɒp.tɪk ˈsɜɹ.kəl/, (dialectal) /oɹˌθɑp.tɪk ˈsɜɹ.kəl/
(General Australian) IPA: /oːˌθɔp.tɪk ˈsɜː.kəl/
(New Zealand) IPA: /oːˌθɒp.tək ˈsøː.kəl/
(Scotland) IPA: /ɔɾˌθɔp.tɪk ˈsɪɾ.kəl/, /ɔɾˌθɔp.tɪk ˈsɪɾ.kʌl/
(India) IPA: /ɔː(ɾ)ˌt̪ɔp.ʈɪk ˈsɜː(ɾ).kel/, /ɔː(ɾ)ˌt̪ɔp.ʈɪk ˈsər.kel/
ハイフネーション: or‧thop‧tic cir‧cle

orthoptic circle (plural orthoptic circles)

Wiktionary英語版での「orthoptic circle」の意味