Tunnel hole-through
also known as breakthrough, when the two ends of a tunnel under construction meet
Pronunciations
British English
/ˈtʌnəl ˈhəʊl - ˈθɹuː/Open converterAmerican English
/ˈtʌnəl ˈhoʊl - ˈθɹu/Open converter
These IPA transcriptions are generated from the name above. Proper names may have other pronunciations, and current converter results may differ. How transcription works