The term "external conical refreactione" is not a standard phrase in English. It's an uncommon and potentially incorrect term that might be intended to refer to some kind of optical or physical phenomenon, but it is not recognized in standard usage.
"बाहरी शंक्वाकार अपवर्तन" (This is a literal translation, though the phrase itself is not meaningful or standard in either language).
English Usage: Because the term is not standard, it doesn't have a conventional usage example in English.
Hindi Usage: इस शब्द का किसी भी मानक उदाहरण में हिंदी में उपयोग नहीं हो सकता है क्योंकि यह एक मानक शब्द नहीं है।
Transliteration of बाहरी शंक्वाकार अपवर्तन
bahari shankvakar apavartan, bahari shankhvakar apavartan, bahar shankvakar apavartan, baahari shankvakar apavartan, baahari shankhvakar apavartan, bahari shankvar apavartan, baahri shankvakar apavartan, baahari shankvaar apavartan, bahari shankwakar apavartan
