The spelling of the word "diatomin" can be explained through its IPA phonetic transcription, which is /daɪˈætəmɪn/. The word consists of two syllables: "di" and "atomin." The first syllable is pronounced with a long "i" sound /aɪ/ followed by a short "a" sound /æ/. The second syllable is pronounced with a long "o" sound /oʊ/ followed by a short "i" sound /ɪ/ and stressed on the second syllable. The correct spelling of this word is important for effective communication and comprehension.