The word "SULFOSIAB" is spelled with four syllables: SUL-fo-si-AB. In IPA phonetic transcription, it is pronounced as /ˈsʌlfoʊsiæb/. The first syllable "SUL" is pronounced with a short "u" sound like in "sun". The "fo" in the second syllable is pronounced with a long "o" sound as in "go". The third syllable "si" is pronounced with a short "i" sound like in "sit". Finally, the fourth syllable "AB" is pronounced with a short "a" sound like in "cat".