The word "dupontia" is spelled as /duːˈpɒntɪə/. The first syllable "du" is pronounced like "doo" in "doom", while "pon" is pronounced like "pawn" in "pawnshop". The second syllable "tia" is pronounced like "tea" in "teapot". The word "dupontia" is not a commonly used word and it does not have a clearly defined meaning. It is important to note that correct spelling is essential for effective communication, especially in written form.