The spelling of the word "bartone" can be explained using the International Phonetic Alphabet (IPA) transcription. The first syllable is spelled /bɑr/, which indicates that it is pronounced with the vowel sound /ɑ/. The second syllable is spelled /toʊn/, indicating that it is pronounced with a diphthong of the vowel sounds /oʊ/. The final syllable is spelled /n/, indicating a short /n/ sound. When combined, the phonetic transcription of "bartone" is /bɑrtoʊn/.