Monosan is a drug used to treat bacterial infections. Its spelling is derived from its active ingredient, monosulfiram. To understand the spelling of "Monosan," one can use International Phonetic Alphabet (IPA) transcription. The first syllable "Mo" is pronounced as [ˈmɑʊ]. The second syllable "no" is pronounced as [noʊ] and the third syllable "san" is pronounced as [sæn]. Together, the proper IPA transcription for Monosan is [ˈmɑʊnoʊsæn]. Mastering proper spelling and pronunciation of medical terms is essential in the field of healthcare.