The word "Avertine" is a curious word with an interesting spelling. The phonetic transcription of Avertine is /əˈvərtaɪn/. The "a" sound in the beginning is pronounced as "uh," and the "e" sound at the end is pronounced as "ine." The "v" sound is pronounced as "vuh," and the "t" sound is pronounced as "tah." This word is not commonly used in everyday language but may be encountered in specific fields such as geology or chemistry.